CBSE Class 5 Mathematics IMO Olympiad MCQs with Answers Set R

SECTION-I : LOGICAL REASONING

Answer 1: C

Answer 2: B

Answer 3: A

Answer 4: D

Answer 5: B

6. Choose the missing terms from the given options.
Z, Y, X, U, T, S, P, O, N, K, ?, ?
(A) H, G
(B) P, G
(C) I, H
(D) J, I
Answer : D

Answer 7: A

Answer 8: B

Answer 9: D

10. In a certain code, 'DEAF' is written as '3587' and 'FILE' is written as '7465'. How is 'IDEAL' written in that code?
(A) 43568
(B) 43586
(C) 63548
(D) 48536
Answer : B

11. Pointing towards a person, a man said to a woman, "His mother is the only daughter of your father." How is the woman related to that person?
(A) Daughter
(B) Sister
(C) Mother
(D) Wife
Answer : C

12. Which of the fol lowing Venn diagrams correct ly depicts the relat ionship between Kerala, Bihar, India?

Answer : C

13. If the words in the sentence, "she showed several sample snaps" are rearranged in the alphabetical order, which will be the middle word?
(A) snaps
(B) sample
(C) several
(D) she
Answer : D

14. Find the missing character.

(A) 27
(B) 35
(C) 54
(D) 64
Answer : B

15. What is the minimum number of straight lines required to make the given figure?

(A) 12
(B) 10
(C) 14
(D) 18
Answer : A

16. Choose the correct mirror-image of the Fig.(X) from amongst the given options if the mirror is placed vertically right.

Answer : A

17. Which word among the following options cannot be formed using the letters of the given word?
CONSTRUCTION
(A) SUCTION
(B) COINS
(C) CAUTION
(D) NOTION
Answer : C

18. I am facing south. I turn right and walk 20 m. Then I turn right again and walk 10 m. Then I turn left and walk 10 m and then turning right walk 20 m. Then I turn right again and walk 60 m. In which direction am I from the starting point?
(A) South-West
(B) North-West
(C) South-East
(D) North-East
Answer : D

19. Which of the following options gives the correct order of the letters as indicated by the numbers to form a meaningful word?
K A T C E L
1 2 3 4 5 6
(A) 1, 2, 4, 5, 6, 3
(B) 3, 2, 4, 1, 6, 5
(C) 4, 2, 3, 1, 5, 6
(D) 6, 5, 3, 2, 4, 1
Answer : B

20. Some symbols are represented by letters shown below :

Then 18 C 3 B 8 G 4 E 2 =
(A) 8
(B) 4
(C) 6
(D) 0
Answer : C

SECTION-II : MATHEMATICAL REASONING

21. How many shapes must be shaded so that 2/5 of the figure is unshaded?

(A) 10
(B) 15
(C) 25
(D) 30
Answer : B

22. A bird park purchased 50 parrots in July. The line graph shows the number of parrots survived at the end of each month. How many parrots died by the end of October?

(A) 20
(B) 25
(C) 30
(D) 35
Answer : A

23. The table below shows the price of each sack of rice in 4 different supermarkets. Which supermarket offers the lowest price for per kg?

A) Supermarket P
(B) Supermarket Q
(C) Supermarket R
(D) Supermarket S
Answer : A

24. Three times of a number is 144. What is 6 less than twice of the number?
(A) 42
(B) 48
(C) 69
(D) 90
Answer : D

25. Which of the following has the smallest area?
(A) A square with one of the sides 6 cm.
(B) A rectangle of length 9 cm and breadth 5 cm.
(C) A square with a perimeter of 28 cm.
(D) A rectangle with a perimeter of 28 cm and length 8 cm.
Answer : A

26. What is the value of the decimal in the box?

(A) 6.48
(B) 6.478
(C) 6.486
(D) 6.483
Answer : C

27. How many lines of symmetry does the figure have?

(A) 1
(B) 2
(C) 3
(D) 4
Answer : B

28. What is the sum of P, Q and R in the box?

(A) 15
(B) 16
(C) 17
(D) 18
Answer : D

29. What is the remainder when 69814 is divided by 8?
(A) 0
(B) 2
(C) 4
(D) 6
Answer : D

30. A kindergarten teacher gave 114 sweets to children in the kindergarten. Each 4-year old child received 2 sweets and each 5-year old child received 3 sweets. The 5-year old children received 6 more sweets than the 4-year old children. Find the total number of children in the kindergarten.
(A) 27
(B) 45
(C) 47
(D) 55
Answer : C

31. The graph below shows the number of marks scored by 4 pupils in a class quiz. Study the graph carefully and answer the question that follows.

For every question answered correctly, 4 marks was awarded (There is no negative marking). How many more questions were answered correctly by Harsh than Mohit.
(A) 12
(B) 16
(C) 13
(D) 4
Answer : D

32. If Δ + Δ + Δ + ⬠ + ⬠ = 108 and Δ + ⬠ + ⬠ = 64 then Δ – ⬠ = ?
(A) 1
(B) 2
(C) 22
(D) 43
Answer : A

33. The table below shows the prices of different types of tickets for a car ride.

Mrs. Kapoor took her parents, aged 60 and 62 years old, and her three children aged 6, 8 and 13 years old for a car ride. How much must she pay altogether?
(A) ₹ 38
(B) ₹ 48
(C) ₹ 58
(D) ₹ 35
Answer : B

34. The sum of the First two common multiples of 9 and 12 is _____.
(A) 21
(B) 36
(C) 63
(D) 108
Answer : D

35. What is the value of 5000000 + 500000 + 5000 + 50?
(A) 5505005
(B) 5505500
(C) 5505050
(D) 5055050
Answer : C

36. Which of the following is an improper fraction?
(A) 2/5
(B) 1/4
(C) 19/8
(D) 50/100
Answer : D

37. Which two numbers give the product of 112710?
(A) 1430 and 78
(B) 1435 and 78
(C) 1440 and 78
(D) 1445 and 78
Answer : D

38. On a particular day, a shop had 985 customers. 2/5 of them were children, 80 were senior citizens and the rest were youngsters. How many of them were youngsters?
(A) 495
(B) 511
(C) 562
(D) 420
Answer : B

39. What is the weight of a ball?

(A) 2.7 kg
(B) 2.4 kg
(C) 4.2 kg
(D) 7.2 kg
Answer : B

40. As shown in the given figure, two small identical rectangles have been cut from a piece of rectangular paper. What is the area of the shaded part?

(A) 112 cm²
(B) 122 cm²
(C) 132 cm²
(D) 100 cm²
Answer : C

SECTION-III : EVERYDAY MATHEMATICS

41. Gopal has a rope 2 m long. He cut (1/2) m from it and the rest of it equally into 4 pieces. What is the length of each of the four pieces?
(A) (1/4)m
(B) (1/2)m
(C) (3/8)m
(D) (11/2)m
Answer : C

42. There were 3/5 as many men as women at a seminar. There were 48 fewer men than women. What was the total number of men and women at the seminar?
(A) 120
(B) 128
(C) 192
(D) 240
Answer : C

43. 22 children were at a birthday party. Each girl drank 2 glasses of fruit punch and each boy drank 3 glasses of fruit punch. If the boys drank 31 more glasses of fruit punch, how many girls attended the party?
(A) 7
(B) 8
(C) 16
(D) 15
Answer : A

44. A carpenter took 3 minutes to saw a wooden plank into 4 pieces. How long will he take to saw it into 15 pieces?
(A) 15 minutes
(B) 14 minutes
(C) 20 minutes
(D) 25 minutes
Answer : B

45. Rohan took 5h 20min to fix a model plane. Kartik took half the time to fix the same plane. At what time would Kartik have finished fixing the plane if he started at 11 : 45?
(A) 13 : 45
(B) 14 : 25
(C) 14 : 35
(D) 15 : 15
Answer : B

46. 4/7 of the children in the hall are girls and the rest are boys. If there are 12 more girls than boys, how many children are there in the hall?
(A) 5000
(B) 6500
(C) 77
(D) 84
Answer : D

47. In a plantation, there were 876297 rubber trees. A fire destroyed 5679 trees. After the fire, 8972 new trees were planted. How many trees were not destroyed by the fire?
(A) 867810
(B) 681972
(C) 870618
(D) 739817
Answer : C

48. A combination lock requires 3 numbers to unlock. The second number is 3/5 of the first number. The third number is 3/4 of the second number. The difference between the first number and the third number is 33. What is the second number?
(A) 60
(B) 36
(C) 27
(D) 14
Answer : B

49. Neha had 2 saving accounts. She had ₹ 405.50 more in account P than in account Q. After she transferred ₹ 48.40 from account P to account Q, the amount of money she had in account P was 4 times the amount in account Q. How much did she have in account P at first?
(A) ₹ 460
(B) 54.60
(C) ₹ 260.50
(D) ₹ 351.00
Answer : A

50. Garima and her sister had 213 beads at first. After Garima bought another 66 beads, Garima had twice as many beads as her sister. How many beads did Garima have at first?
(A) 13
(B) 27
(C) 935
(D) 120
Answer : D