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CLASS - 04 UIMO
UIMO SAMPLE QUESTIONS
CLASS - 04
MATHEMATICS
01. The figure below is a square. What fraction of the square is shaded ?
1 1 3 1
(A) (B) (C) (D)
4 2 4 6
02. The area of a rectangle is 91 m2. If its breadth is 7 m, find its perimeter.
(A) 30 m (B) 50 m (C) 40 m (D) 45 m
03. The time 15 min past 15:30 is the same as _____ min before 16:10.
(A) 20 min (B) 25 min (C) 30 min (D) 35 min
04. Charan is 18 years younger than Karan now. 12 years ago, their total age was 54 years old. If Karan is
four times as old as Anil, how old is Anil now ?
(A) 12 years (B) 11 years
(C) 13 years (D) 10 years
05. The difference between two numbers is 6252. If the bigger number is 5 times as big as the smaller
number, find the sum of the two numbers.
(A) 9278 (B) 9378 (C) 9738 (D) 9387
REASONING
01. Which of the given options completes the second pair in the same way as the first ?
?
(A) (B) (C) (D)
02. In an examination, Bindu scored more than Arush but less than Prem. Harsh scored more than Prem.
Who scored highest marks among these four ?
(A) Bindu (B) Harsh (C) Prem (D) Arush
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CLASS - 04 UIMO
03. If A = 2, B = 3, C = 4, . . . .
What is the answer to the sum B + E in the above order ?
(A) I (B) J (C) G (D) H
04. Which number replaces the question mark ?
6 5 4
30 25 ?
2 3 4 1 6 2
(A) 35 (B) 40 (C) 32 (D) 38
05. Find the number which is different from others.
(A) 182 (B) 821 (C) 236 (D) 345
CRITICAL THINKING
01. There are cows and farmers in a field. If Surya counts 22 heads and 66 legs, how many cows are there ?
(Surya does not include himself in the count).
(A) 11 (B) 12 (C) 14 (D) 13
02. If = 12
= 25
= 16
= 16
=
(A) 31 (B) 28 (C) 32 (D) 40
03. A, P, R, X, S and Z are sitting in a row. S and Z are in the centre. A and P are at the ends. R is sitting to
the left of A. Who is to the right of P ?
(A) P (B) R (C) A (D) X
04. Henrietta the Hen lays eggs this week. There are more than 3 eggs. There are fewer than 6 eggs.
There are not 4 eggs. How many eggs does Henrietta lay ?
(A) 5 (B) 2 (C) 7 (D) 1
05. You are returning home from school. On the way, you find a sealed envelop in a street fully addressed
with unused stamps on it you would:
(A) leave it there as it was and walk away.
(B) remove the stamps and destroy the envelop.
(C) open the envelop, find out who has dropped it by mistake, and send it to him if possible.
(D) post it at the nearest letter box.
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CLASS - 04 UIMO
KEY & SOLUTION
MATHEMATICS
01. (A) Divde the figure into 16 small squares.
Since the area of the triangle is half that of the area of 6 small squares, it has the same area as 3 small
squares.
Number of small squares shaded = 3 + 1 = 4
Total number of small squares = 16
4 1
Fraction of the square shaded = =
16 4
02. (C) Area of rectangle = 91 m2
l × b = 91 m2
l × 7 = 91 m2
91
l= = 13
7
l = 13, b = 7
Perimeter of a rectangle = 13 + 7 + 13 + 7 = 40 m
15 min
10 min
03. (B)
15:45 16:00 16:10
15 min + 10 min = 25 min
15:45 is the same as 25 min before 16:10
04. (A) 12 years ago
Charan
54 years
Karan
54 + 18 = 72
2 units 72
1 unit 72 ÷ 2 = 36
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CLASS - 04 UIMO
Karan is 36 years old 12 years ago
36 + 12 = 48
Karan is 48 years old now
48 ÷ 4 = 12
Anil is 12 years old now
05. (B) Bigger number =
Small number =
4 units 6252
1 unit 6252 ÷ 4 = 1563
6 units 6 × 1563 = 9378
The sum of the two numbers is 9378
REASONING
01. (B)
Harsh
Prem
Bindu
Arush
02. (B)
Harsh scored higest marks
03. (D) B = 3; E = 6
B+E=3+6=9
H is the answer
04. (C) 6 × (2 + 3) = 30
5 × (4 + 1) = 25
4 × (6 + 2) = 32
C is correct answer
05. (D) 1 + 8 + 2 = 11
8 + 2 + 1 = 11
2 + 3 + 6 = 11
3 + 4 + 5 = 12
∴ 345 is different from others
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CLASS - 04 UIMO
CRITICAL THINKING
01. (A) Let cows be x and farmers be y.
Then 4x + 2y = 66 ........ (1)
x + y = 22 ........ (2)
Multiple (2) with 2
2x + 2y = 66
"x + 2O = $$
2x = +22
x =
02. (C) 3 + 3 + 2 + 4 + 4 + 4 + 4 + 2 + 2 + 2 + 2 = 32
03. (D)
P X S Z R A
04. (A) More than 3 and less than 6 means:
The answer may be 4 or 5. From the given options we have only 5 but not 4
So, Henrietta lay 5 eggs.
05. (D) On the way, if i find a sealed envelop with fully addressed with unused stamps on it, i would post it at
the nearest letter box.
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