CREST Reasoning Olympiad (CRO) Class 3 Sample Paper

CLASS

3
SAMPLE PAPER

CREST Reasoning Olympiad (CRO)

Syllabus for CRO is available at https://www.crestolympiads.com/cro-syllabus

Pattern and Marking Scheme
Class Topic/Section No. of Marks per Questions Total Marks
Questions
Logical Reasoning 25 1 25
Achiever’s Section 10
st th
1 to 4 2 20
Grand Total 35 - 45
Logical Reasoning 40 1 40
5th to 10th Achiever’s Section 10 2 20
Grand Total 50 - 60

1. Find the number which will be on the last sticker following the same pattern as the first
two follow:

(a) 24 (b) 23
(c) 32 (d) 33

2. Which two pieces of paper, when put together, will make the given shape?

(a) (b)

(c) (d)

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3. Identify the missing number from the given alternatives that will complete the series.

(a) 36 (b) 49
(c) 51 (d) 64

4. Which of the following will be the correct mirror image of the given image?

(a) (b)

(c) (d)

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5. There is a certain relationship between the pair of figures given on either side of (::);
identify the relationship of given pair and find the matching term.

Contamination : Food : : Infection : ?

(a) Germs (b) Disease
(c) Body (c) Microbes

6. Find the next letter of the following series:
D, G, J, M,?

(a) Q (b) O
(c) P (d) N

7. If A = BC, C = DE, then RN = ?

(a) TSPO (b) STOP
(c) PQOP (d) PQLM

8. How many triangles are there in the following figure?

(a) 8 (b) 6
(c) 4 (d) 7

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Achiever’s Section

9. If letter N represents North, E represent East, W represents West and S represents
South and dots represents the number of steps, then find the code for the path given
below:

(a) N2E2N3 (b) S3E2S2
(c) N2W2N3 (d) S3W2S3

10. In P, Q, R, S, T and U, R is taller than only P and U. S is shorter than only T and Q. If
each has different heights, then who will be at the third place when they are standing in
descending order of their height and the counting is done in the same order (tallest to
shortest)?

(a) R (b) S
(c) P (d) Q

Answers

1. (a), 2. (d), 3. (b), 4. (a), 5. (c), 6.(c), 7.(b), 8.(d), 9.(c), 10.(b)

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