CBSE Class 3 CRO Logical Reasoning Olympiad MCQs with Answers Set E

1. Choose the elephant that does not belong to the group.

Answer : (b) As, 2 + 4 = 6 (middle number)
3 + 6 = 9 (middle number)
And, 4 + 3 = 7 (middle number)
But, 8 + 2 = 10

2. Identify the relation between the given pair of either side of : : and find the missing figure.

Answer : (c) Observe the pattern in each segment.

3. Select the correct mirror image of fig.(X).

Answer : (d) The correct mirror image is as follows:

4. Jenny loves flowers ! Can you put these pictures in the logical sequence by ordering them in numbers to create a logical story?

(a) 1,2,3,4
(b) 1,4,3,2
(c) 2,3,4,1
(d) 4,1,2,3
Answer : (b) 1,4,3,2 is the correct logical order.

5. Find the word that can be made from the letters of the given word. DESTINATION
(a) INCITE
(b) MOTION
(c) ACTION
(d) TENTION
Answer : (d) TENTION can be formed from the letters of the given word.

6. If in a certain code NOSE is written as PQUG. What will be the code of SHOUT?
(a) UJQWV
(b) VWQJU
(c) QWJUV
(d) UHQUV
Answer : (a) As,

7. The following question is based on the following alphabet

Answer :

8. Isha spent 25 minutes on her homework last night? She started at 8:10 p.m. What time did she finish her work?
(a) 8:35 a.m.
(b) 8:25 a.m.
(c) 8:45 p.m.
(d) 8:35 p.m.
Answer : (d) 8 : 10 + 25 minutes = 8 : 35 p.m.

9. There are 25 boats. If each boat can hold 30 people. How many people in total do all the boats hold?
(a) 750
(b) 700
(c) 850
(d) 800
Answer : (a) Number of boats = 25
Number of people held by 1 boat = 30
Total people in all boats = 25 × 30 = 750 people.

10. Find the x and y in the given number pattern below.

(a) 36,24
(b) 49,24
(c) 25,24
(d) 16,24
Answer : (b) The pattern is as follows

11. Which of the following options will complete the pattern in fig.(X)?

Answer :

12. Estimate the weight of a butterfly.
(a) 30 g
(b) 40 g
(c) 50 g
(d) 10 g
Answer : (d) The weight of a butterfly around 10 g.

13. How many straight lines are there in the diagram given below.

(a) 9
(b) 12
(c) 15
(d) 17
Answer : (a) There are total 9 straight lines in the given diagram.

14. Ritesh was born on July 10th, Naman was born on September 10th of the same year. How many months older is Ritesh?
(a) 3 months
(b) 5 months
(c) 4 months
(d) 2 months
Answer : (d) Ritesh is 2 months older than Naman.

DIRECTIONS (Qs. 15 & 16): The number in each question below is to be condified in the following code. 

15. What is the code for 7916?
(a) BKWL
(b) LWKB
(c) WKLB
(d) KBLW
Answer : (a) The code for 7916 is BKWL.

16. What is the code for 3825?
(a) KPNB
(b) APYN
(c) NYPA
(d) YPNA
Answer : (b) The code for 3825 is APYN.

17. Ritu arranged her pictures in a straight row. The prettiest one is in the middle. It is placed fourth from the left as well as from the right side.
How many pictures does Ritu have altogether?
(a) 5
(b) 9
(c) 7
(d) 11
Answer : (a) The arrangement of pictures is as follows:

So,
Ritu have 7 pictures altogether.

18. Look at the figure carefully and check what is missing in the second picture.

(a) Boots, Guitar and Hat
(b) Boots, Belt and Rope
(c) Guitar, Belt and Hat
(d) Guitar, Rope and Boots
Answer : (b) Boots, Belt and Rope are missing in the second picture.

19. If 'Sunflower' is called 'Rose', 'Rose' is called 'Lotus', 'Lotus' is called 'Lily' and 'Lily' is called 'Popy', which is king of flowers?
(a) Popy
(b) Rose
(c) Lily
(d) Sunflower
Answer : (c) The king of flowers is Lotus, but Lotus is called Lily. So, Lily is the king of flowers.

20. Select the options figure which is embedded in the given figure (X).

Answer :

21. Find the next term in the given series.

(a) 20
(b) 25
(c) 23
(d) 26
Answer : (c) The pattern of the series is as follows:

22. Find the odd one out.

Answer : (b) Except Squirrel , all others are animals.

23. Identify the relation between the given pair of either side of : : and find the missing term.
2 × 3 × 2 : 12 : : 3 × 4 × 3 : ?
(a) 13
(b) 9
(c) 12
(d) 36
Answer : (d) As, 2 × 3 × 2 = 12
Then, 3 × 4 × 3 = 36

24. Choose the correct order of letters which are required to form a meaningful word.
H I A C R
(a) ARCHI
(b) CHAIR
(c) RIACH
(d) RACIH
Answer : (b) The meaningful word is CHAIR.

25. Mohita has eight more apples than Kritika. Kritika has 20 apples. How many apples does Mohita have?
(a) 12
(b) 15
(c) 28
(d) 8
Answer : (c) Number of apples has = 20 Number of apples Mohita has = 8 more than Kritika = 8 + 20 = 28