Page 1
Board Of School Education Haryana
मॉडल पेपर
उत्तर
2025
Page 2
MARKING SCHEME BSEH PRACTICE PAPER 1, 9TH MATHS , March2025
(HINDI MEDIUM)
Q. Expected solutions marks
no.
Section-A
1 (C) √9 1
2 (B) 40° 1
3 (C) SSA 1
4 (D) 3.4 cm 1
5 (A) 75º 1
6 T 1
7 (A) 24 cm2 1
8 C) आधा 1
9 (A) 137.5 1
10 (D) 2 1
11 (D) 7 1
12 (B) 3 1
13 (A) - 6 1
14 (B) 1
15 (A) 65o 1
16 3600 1
17 (B) 50o 1
18 90o 1
19 D) A असत्य है लेकिन R सत्य है 1
20 B) A और R दोनों सत्य हैं लेकिन R, A िी सही व्याख्या नहीीं है । 1
SECTION-B
21.
हम जानते हैं कि 5+1=6
= = और = =
1
….…………………………………………………………………………………………………….........
पाींच पररमेय सींख्याएँ =
1
22. (3√5 -5√2 )(4√5 +3√2)
3√5(4√5 +3√2) - 5√2(4√5 +3√2) 1
….……………………………………………………………………………………………………………..
Page 3
60+9√10-20√10-30
1
30-11√10
OR
.....................................................................................................................
X 1
..............................................................................................
1
23.
X
1
=
......................................................................................................................
1
24. 104 × 97
104×97= (100+4) × (100-3)
यहाँ, x = 100 , a=4 , b = -3 1
सर्वसममिा , (x+a) (x+b) = x2 + (a+b) x + ab द्र्ारा
.......................................................................................................................
= (100)2+(4-3)100+(4×-3)
= 10000+100-12 1
= 10088
25.
यदद x – 2, p(x) िा एि गण
ु नखींड है तो P(2) = 0
गुणनखींड प्रमेय द्र्ारा
1
3 2
p(2) = 4(2) -3(2) - 4(2)+3k=0
.......................................................................................................................
Page 4
= 32-12-8+3k=0
=12+3k=0
1
3k= -12
K= - 4
..............................................OR.................................................................
x-3 =0 लेने पर x = 3
1
x=3 बहुपद में रखने पर (3)3-4(3)2+3+6
.....................................................................................................................
= 27-36+3+6= 0
अतः गुणनखींड प्रमेय द्र्ारा x-3, बहुपद x3-4x2+x+6 िा एि गुणनखींड है I 1
SECTION-C
26.
y, x िे अनुक्रमानुपाती है
1
y x
y = kx
.......................................................................................................
y=12 रखने पर जब x=4 है
12=4k 1
k=3
.......................................................................................................
इसमलए y=3x
x=5 रखने पर y=3x5=15 1
27. िैप्सूल िा व्यास = 3.5 mm
िैप्सल mm
ू िी त्रिज्या = 1
……………………………………………………………………………...
िैप्सल
ू में दर्ा िा आयतन = πr3 1
................................................................................................................................................................
Page 5
.
22
= x x x x 1
= 22.46 मममी2
.........................................................OR............................................................................
माना चींद्रमा िी त्रिज्या = r
माना पथ् ृ र्ी िी त्रिज्या = 4r 1
..........................................................................................................................................
.
चींद्रमा िा पष्ृ ठीय क्षेिफल
=
π
पथ्ृ र्ी िा पष्ृ ठीय क्षेिफल π
1
..........................................................................................
=
π
π
1
= = 1:16
16
28.
The expression 64m3 – 343n3 , can be written as (4m)3-(7n)3 1
3 3
64m3 – 343n3= (4m) -(7n)
.......................................................................................................................
We know that, x3-y3 = (x-y)(x2+xy+y2)
1
= (4m-7n)[(4m)2+(4m)(7n)+(7n)2
............................................................................................................................. ............................................................
.
1
2 2
= (4m-7n)(16m +28mn+49n )
29.
2x + 3y = 12
Page 6
X=0 रखने पर 2x0 + 3xY = 12
3Y = 12
Y=4 1
(i) पहला हल (0,4)
......................................................................................................................
X=1 रखने पर 2x1+ 3xY = 12
3Y=10
1
10
Y=
10
(ii) दस ू रा हल (1, )
.......................................................................................................................
X=2 रखने पर 2x2 + 3Y= 12
3Y= 8 1
Y=
(iii) तीसरा हल (2,
30.
माना x = = 0.2353535……………… (i)
1
(i) िो 10 से दोनों तरफ गण
ु ा िरने पर
10x = 2.353535............................ (ii)
.....................................................................................................................
(ii) िो दोनों तरफ 100 से गण
ु ा िरने पर 1
1000x = 235.353535......................... (iii)
.....................................................................................................................
(iii) – (ii) िरने पर
990x = 233.0000 1
233
x =
990
31. The expression, 8X3 + 27Y3 + 36X2Y + 54XY2
can be written as (2X)3 + (3Y)3 +3(2X)2(3Y) +3(2X)(3Y)2 1
......................................................................................................
Page 7
=(2X)3 + (3Y)3 +3(2X)2(3Y) +3(2X)(3Y)2
1
सर्वसमिका द्र्ारा (x + y)3 = x3 + y3 + 3xy (x + y)
....................................................................................................................
=(2X)3 + (3Y)3 +3(2X)(3Y)(2X +3Y) 1
=(2X+3Y)3
=(2X+3Y) (2X+3Y) (2X+3Y)
OR
31. 8X3 + Y3 + 27Z3 – 18XYZ िो
1
इस प्रिार मलख सिते है (2X) + Y +(3Z) -3(2X)(Y)(3Z)
3 3 3
.......................................................................................................
सर्वसमिका द्र्ारा x3 + y3+z3–3xyz = (x + y + z)(x2 + y2 + z2 – xy – yz – zx)
1
=(2X+Y+3Z)((2X)2 +Y2 +(3Z)2 -2XY-Y(3Z)-3Z(2X))
......................................................................................................
(2X+Y+3Z)(4X2 +Y2 +9Z2 -2XY-3YZ-6ZX)
1
SECTION-D
32.
माना एि रे खाखण्ड AB िे दो मध्य त्रबन्द ु C तथा C’ हैं I 1
.......................................................................................................
यदद C, रे खाखण्ड AB िा मध्य त्रबन्द ु है I
1
तो , AC=BC
AC = AB ........................(i)
.......................................................................................................
माना C’ , रे खाखण्ड AB िा मध्य त्रबन्द ु है I
1
इसमलए , AC’=BC’
AC’ = AB .......................(ii)
Page 8
......................................................................................................
समीिरण (i) र् (ii) से
1
AC=AC’
......................................................................................................
C=C’
1
इसमलए C र् C’ एि ही त्रबींद ु है अथावत सींपाती है I
अतः एि रे खाखण्ड िा एि ही मध्य त्रबींद ु होता है I
33
1
ददया हुआ है :- a : b = 2 : 3 तथा ∠POY = 90°
........................................................................................................................
ज्ञात िरना है :- a तथा b िा मान I
1
.......................................................................................................................
हल :- a : b = 2 : 3 मान लीजजए a =2x और b =3x है
हम जानते हैं कि रै खखि यग्ु मों िा योग हमेशा 180° िे बराबर होता है
1
इसमलए, POY +a +b = 180°
जैसा कि प्रश्न में ददया गया है POY = 90° िा मान रखने पर,
a+b = 90°
.....................................................................................................
2x+3x = 90° इसे हल िरने पर हमें प्राप्त होता है
5x = 90°
1
So, x = 18°
a = 2×18° = 36°
Page 9
b = 3×18° = 54°
.......................................................................................................................
आरे ख से, b+c भी एि सीधी रे खा पर िोण बनाता है ,
इसमलए, b+c = 180°
c+54° = 180°
1
c = 126°
.........................................................OR.....................................................................
1
ददया हुआ है :- AB II CD , APQ = 50° तथा APR = 127°
...................................................................................................................................
ज्ञात िरना है :- x तथा y िा मान 1
...................................................................................................................................
हल :- AB II CD तथा PQ एि ततयवि रे खा है ( ददया हुआ है )
इसमलए, APQ=PQR ( अींतः एिाींतर िोण )
APQ = 50° और PQR = x िा मान रखने पर 1
x = 50°
........................................................................................................................
APR = PRD (अींतःएिाींतर िोण)
1
APR = 127° ( क्योकि PRD = 127° ददया हुआ है )
........................................................................................................................
हम र्ह जानते हैं APR =APQ+QPR
1
अब, QPR = y और APR = 127° िा मान रखने पर,
Page 10
हम पाते हैं 50°+ y = 127°
y = 77°
x = 50° और y = 77°
34.
1
माना त्रिभुज िी तीन भुजाएँ हैं 12x , 17x, 25x
540
अर्द्व पररमाप (s) = = 270 सेमी
.......................................................................................................................
s =
1
12 17 25
270 =
54x= 540
x=10
........................................................................................................................
.
पहली भुजा = 12x10= 120 सेमी 1
दस
ू री भुजा = 17x10 = 170 सेमी
तीसरी भुजा = 25x10 = 250 सेमी
........................................................................................................................
.
1
िा क्षे =
= 270 270 120 270 170 270 250
......................................................................................................
1
= 270 150 100 20
= 9000 र्गव सेमी
OR
34.
शींक्र्ािार टोपी िी त्रिज्या (r) = 7 सेमी 1
शींक्र्ािार टोपी िी ऊींचाई (h) = 24 सेमी
Page 11
........................................................................................................................
शींक्र्ािार टोपी िी ततयवि ऊींचाई (L) =
= 24
= 49 57
= 625
1
= 25 सेमी
........................................................................................................................
10 टोपपयाँ बनाने िे मलए आर्श्यि शीट िा क्षेिफल= 10 πrL
1
.......................................................................................................................
22
= 10x x7x25
1
= 5500 र्गव सेमी
........................................................................................................................
10 टोपपयों िा िुल मूल्य = 5500 x 0.35 = 1925 रु.
1
35.
1
ददया गया है : AC = AD और रे खाखींड AB , A िो समद्पर्भाजजत िरती है I
........................................................................................................................
1
मसर्द् िरना है : ΔABC ΔABD
..........................................................................................................................................
प्रिाण:
1
त्रिभुजों ΔABC और ΔABD में
(i) AC = AD ( ददया गया है )
(ii) AB = AB (उभयतनष्ठ)
(iii) CAB = DAB (क्योंकि AB िोण A िा समद्पर्भाजि है )
.......................................................................................................................
Page 12
इसमलए, ΔABC ΔABD. (SAS सर्ाांगसमता िसौटी िे अनुसार)
1
.......................................................................................................................
प्रश्न िे दस
ू रे भाग िे मलए, BC =BD हैं। (C.P.C.T िे तनयम िे अनुसार 1
SECTION-E
36.
(i) त्रिभुज ABC िी भुजाएँ क्रमशः 122 मीटर, 22 मीटर और 120 मीटर हैं
1
अब, पररमाप (122+22+120) = 264 मीटर होगा
........................................................................................................................
1
(ii) िा क्षे = जहाँ s = (a+b+c)/2
.....................................................................................................................
(i) अर्द्व पररमाप (s) = 264/2 = 132 मी.
हीरोन िे सूि िा प्रयोग िरने पर,
त्रिभज
ु िा क्षेिफल =
= 132 132 122 132 22 132 120 2
= 132 10 110 12
=1320 m2
OR
हम जानते हैं कि प्रतत र्र्व पर्ज्ञापन िा किराया = 5000 प्रतत र्गव मीटर
एि दीर्ार िा 3 महीने िा किराया = रु. (1680×5000×3)/12
= रु. 2100000 2
37. (i) राहुल तथा नीतू िे बीच िी दरू ी = 2- (-2) = 4 इिाई 1
........................................................................................................................
Page 13
(ii) अींकित (III) तीसरे चतथ
ु ाांश में बैठा है I 1
........................................................................................................................
(iii) चार ममिों िे स्थानों िो क्रम से ममलाने पर आयत िी आिृतत बनती है 2
OR
(iii) लम्बाई = 8 इिाई चौड़ाई = 4 इिाई 2
क्षेिफल = 8X4 = 32 र्गव इिाई
38. (i) राजनीतति दल A ने सबसे अधधि सीटे जीती I 1
........................................................................................................................
(ii) राजनीतति दल E ने सबसे िम सीटें जीतीीं I 1
........................................................................................................................
(iii) दण्ड आलेख
2
(राजनीतति दल )
Page 14
MARKING SCHEME BSEH PRACTICE PAPER 1, 9TH MATHS , March2025
(ENGLISH MEDIUM)
Q. Expected solutions marks
no.
Section-A
1 (C) √9 1
2 (B) 40° 1
3 (C) SSA 1
4 (D) 3.4 cm 1
5 (A) 75º 1
6 T 1
7 (A) 24 cm2 1
8 C) Halved 1
9 (A) 137.5 1
10 (D) 2 1
11 (C) 2 1
12 (B) 3 1
13 (A) - 6 1
14 (B) 1
15 (A) 65o 1
16 3600 1
17 (B) 50o 1
18 90o 1
19 D) A is false but R is true 1
20 B) Both A and R are true but R is not the correct explanation of A. 1
SECTION-B
21.
We know that 5+1=6
= = and = =
1
….…………………………………………………………………………………………………….........
Five Rational Numbers =
1
Page 15
22. (3√5 -5√2 )(4√5 +3√2)
3√5(4√5 +3√2) - 5√2(4√5 +3√2) 1
….……………………………………………………………………………………………………………..
60+9√10-20√10-30
30-11√10 1
OR
.....................................................................................................................
X
1
..............................................................................................
1
23.
X Rationalizing the denominator
1
=
......................................................................................................................
1
24. 104 × 97
104×97= (100+4) × (100-3)
Here, x = 100 , a=4 , b = -3 1
By using identity , (x+a) (x+b) = x2 + (a+b) x + ab
.......................................................................................................................
= (100)2+(4-3)100+(4×-3)
= 10000+100-12
1
= 10088
25.
If x – 2 is a factor of p(x), then P(2) = 0
By factor theorem
1
Page 16
p(2) = 4(2)3 -3(2)2- 4(2)+3k=0
.......................................................................................................................
= 32-12-8+3k=0
=12+3k=0 1
3k= -12
K= - 4
..............................................OR.................................................................
By putting x-3 =0 we get x = 3
By substituting x=3 in polynomial we get (3)3-4(3)2+3+6
1
.....................................................................................................................
= 27-36+3+6= 0
Hence by factor theorem x-3 is a factor of polynomial x3-4x2+x+6
1
SECTION-C
26.
Since y is proportional to x given
y x
1
y = kx .................(i)
.......................................................................................................
We put y=12 when x=4
12=4k
1
k=3
.......................................................................................................
By using k=3 in (i) we get y=3x
1
when we put x=5 we get y=3x5=15
27. Diameter of capsule = 3.5 mm
Radius of capsule = mm
1
.....................................................................................................................
Volume of medicine in capsule = πr3
1
................................................................................................................................................................
22
= x x x x
= 22.46 mm2
1
Page 17
.........................................................OR............................................................................
Let radius of Moon = r
Let radius of earth = 4r
..........................................................................................................................................
.
π
=
π
1
..........................................................................................
=
π
π
1
= = 1:16
16
1
3 3 , 3 3
28. The expression 64m – 343n can be written as (4m) -(7n)
3 3 1
64m3 – 343n3= (4m) -(7n)
.......................................................................................................................
We know that, x3-y3 = (x-y)(x2+xy+y2)
= (4m-7n)[(4m)2+(4m)(7n)+(7n)2 1
............................................................................................................................. ............................................................
= (4m-7n)(16m2+28mn+49n2) 1
29.
2x + 3y = 12
By taking X=0 we get 2x0 + 3xY = 12
3Y = 12 1
Y=4
(i) First Solution (0,4)
......................................................................................................................
By taking X=1 we get 2x1+ 3xY = 12
1
3Y=10
10
Y=
10
(ii) Second solution (1, )
.......................................................................................................................
Page 18
By taking X=2 we get 2x2 + 3Y= 12
1
3Y= 8
Y=
(iii) Third solution (2,
30.
Let x = = 0.2353535……………… (i)
1
Multiplying (i) by 10 on both sides
10x = 2.353535............................ (ii)
.....................................................................................................................
Multiplying (ii) by 100 on both sides
1
1000x = 235.353535......................... (iii)
.....................................................................................................................
By (iii) – (ii) we get
990x = 233.0000
233 1
x=
990
31. The expression, 8X3 + 27Y3 + 36X2Y + 54XY2
1
3 3 2 2
can be written as (2X) + (3Y) +3(2X) (3Y) +3(2X)(3Y)
......................................................................................................
=(2X)3 + (3Y)3 +3(2X)2(3Y) +3(2X)(3Y)2
By using identity (x + y)3 = x3 + y3 + 3xy (x + y) 1
...................................................................................................................
=(2X)3 + (3Y)3 +3(2X)(3Y)(2X +3Y)
1
3
=(2X+3Y) =(2X+3Y) (2X+3Y) (2X+3Y)
OR
31. 3 3 3
The expression 8X + Y + 27Z – 18XYZ 1
Can be written as (2X)3 + Y3 +(3Z)3 -3(2X)(Y)(3Z)
.....................................................................................................................
Page 19
x3 + y3 + z3 – 3xyz = (x + y + z)(x2 + y2 + z2 – xy – yz – zx) 1
=(2X+Y+3Z)((2X)2 +Y2 +(3Z)2 -2XY-Y(3Z)-3Z(2X))
…………………………………………………………………………….
(2X+Y+3Z)(4X2 +Y2 +9Z2 -2XY-3YZ-6ZX) 1
SECTION-D
32.
Let there are two mid points C and C’ of line AB 1
.......................................................................................................
If C is mid point of line AB
then , AC=BC
1
AC = AB ........................(i)
.......................................................................................................
If C’ is mid point of line AB
then , AC’=BC’ 1
AC’ = AB .......................(ii)
......................................................................................................
From (i) and (ii)
AC=AC’ 1
......................................................................................................
C=C’
Therefore C and C’ are same point 1
Hence there is one and only one mid point of a line.
33
1
Given :- a : b = 2 : 3 and POY = 90°
.....................................................................................................................................
To Find :- The value of a and b.
1
Solution :- a : b = 2 : 3 Let a =2x and b =3x
We know that sum of angles of linear pair are 180°
Page 20
therefore, POY +a +b = 180°
As given in question, by putting POY = 90° 1
a+b = 90°
..........................................................................................................................................
2x+3x = 90°
5x = 90°
So, x = 18° 1
a = 2×18° = 36°
b = 3×18° = 54°
..........................................................................................................................................
In fig. b+c is on Straight line
therefore, b+c = 180°
c+54° = 180° 1
c = 126°
...........................................................OR..........................................................................
1
Given :- AB II CD , APQ = 50° and APR = 127°
..........................................................................................................................................
To Find :- The value of x and y
....................................................................................................................... 1
Solution :- AB II CD and PQ is a transversal line. (Given)
1
APQ = PQR (Alternate Angles)
By putting APQ = 50° and PQR = x
Page 21
x = 50°
..........................................................................................................................................
Also APR = PRD (Alternate Angles)
Or, APR = 127° ( Given PRD = 127°) 1
.........................................................................................................................................
We know that APR =APQ+QPR
1
Now by putting values, QPR = y and APR = 127°
We get 50°+ y=127°
y = 77°
x = 50° and y = 77°
34.
1
Let three sides of triangle 12x , 17x, 25x
540
Semi perimeter (s) = = 270 cm
.......................................................................................................................
s =
12 17 25 1
270 =
54x= 540
x=10
........................................................................................................................
First Side = 12x10= 120 cm
Second Side = 17x10 = 170 cm 1
Third Side = 25x10 = 250 cm
........................................................................................................................
=
1
= 270 270 120 270 170 270 250
Page 22
......................................................................................................
= 270 150 100 20 1
= 9000 cm2
OR
34. Radius of conical cap (r) = 7 cm
Height of conical cap (h) = 24 cm
........................................................................................................................ 1
Slant height of conical cap (L) =
= 24
1
= 49 57
= 625
= 25 cm
........................................................................................................................
Required area of sheet to make 10 caps = 10 πrL
1
.......................................................................................................................
22
= 10x x7x25
1
= 5500 cm2
........................................................................................................................
1
Total cost of 10 caps = 5500 x 0.35 = 1925 Rs.
35.
Given :- AC = AD line AB bisect A 1
Page 23
..........................................................................................................................................
To Prove :- ΔABC ΔABD 1
..........................................................................................................................................
Proof:- In ΔABC and ΔABD
(i) AC = AD ( Given)
1
(ii) AB = AB (Common)
(iii) CAB = DAB (Because AB is bisector of A Given)
..........................................................................................................................................
1
Hence, ΔABC ΔABD. ( By S.A.S)
..........................................................................................................................................
1
Hence BC =BD ( By C.P.C.T )
SECTION-E
36.
(i) Sides of Triangle ABC 122m, 22m and 120m
1
Perimeter of Triangle = (122+22+120) = 264m
........................................................................................................................
1
(ii) = Where S=
.....................................................................................................................
(i) Semi Perimeter (s) = 264/2 = 132 मी.
=
= 132 132 122 132 22 132 120
2
= 132 10 110 12
=1320 m2
OR
We know Rent of Advertisement per year = 5000 m2
2
Page 24
Rent of 3 months of the wall = Rs.(1680×5000×3)/12= Rs. 2100000
37. (i) Distance between Rahul and Neetu = 2 - (-2) = 4 Unit 1
........................................................................................................................
(ii) Ankit is sitting in (III) third quadrant 1
........................................................................................................................
(iii) By joining four places in order we get a rectangle 2
OR
(iii) Length = 8 Units Breadth = 4 Units 2
Area = 8X4 = 32 m 2
38. (i) Political Party A won maximum number of Seats. 1
........................................................................................................................
(ii) Political party E won minimum number of seats.
1
........................................................................................................................
(iii) Bar Graph
2
Page 25
Sample Papers
CBSE Sample Papers
ICSE / ISC Board Sample Papers
AP Board Sample Papers
Assam Board Sample Papers
Bihar Board Sample Papers
Chhattisgarh Board Sample Papers
Goa Board Sample Papers
Gujarat Board Sample Papers
Haryana Board Sample Papers
HP Board Sample Papers
J&K State Board Sample Papers
Jharkhand Board Sample Papers
Karnataka Board Sample Papers
Kerala Board Sample Papers
Page 26
Sample Papers
MP Board Sample Papers
Maharashtra Board Sample Papers
Manipur Board Sample Papers
Mizoram Board Sample Papers
Orissa Board Sample Papers
Punjab Board Sample Papers
Rajasthan Board Sample Papers
Tamil Nadu Board Sample Papers
Telangana State Board Sample Papers
Tripura Board Sample Papers
UP Board Sample Papers
Uttarakhand Board Sample Papers
West Bengal Board Sample Papers