Answers to Sample Questions from CREST Olympiads:
| Q.1 | c | Q.2 | c | Q.3 | d | Q.4 | d | Q.5 | d | Q.6 | b | Q.7 | b | Q.8 | b | Q.9 | c | Q.10 | c |
Maths Olympiad Questions For Class 3
1. Which of the following number is less than 8 but more than 6?
a) 2
b) 4
c) 5
d) 7
Answer: 7
2. Eighty thousand seven hundred thirty three = ____.
a) 87033
b) 78033
c) 80733
d) 80373
Answer: 80733
3. Fill in the box: 500 + 55= 400 + ?
a) 55
b) 100
c) 155
d) 500
Answer: 155
4. 3567 + 5430 = ____.
a) 3567
b) 8799
c) 8997
d) 5430
Answer: 8997
5. Which of the following is the nearest ten for 53?
a) 70
b) 20
c) 50
d) 60
Answer: 50
6. What is the greatest whole number you can make using all the following digits?
3,5,1
a) 135
b) 315
c) 531
d) 351
Answer: 531
7. Yesterday was Thursday. What day is tomorrow?
a) Thursday
b) Friday
c) Saturday
d) Sunday
Answer: Saturday
8. Which of the following is true?
a) 34 is more than 43.
b) 45 is more than 54.
c) 54 is less than 45.
d) 45 is less than 54
Answer: 45 is less than 54
9. The maximum time for the maths test paper is 45 minutes. If the test starts at 10:55 am, then at what time does it end?
a) 9:40 a.m.
b) 11:50 a.m.
c) 11:40 a.m.
d) 11:55 a.m.
Answer: 11:40 a.m.
10. Convert 5 days 9 hours into hours.
a) 119 hours
b) 129 hours
c) 127 hours
d) None of these
Answer: 129 hours
11. A family consumes 3 L 550 mL of milk every day. What will be their milk consumption for the month of January?
a) 106 L 500 mL
b) 110 L 50 mL
c) 102 L 95 mL
d) 111 L 550 mL
Answer: 110 L 50 mL
12. Which one of the following is equal to 3+3+3+3+3?
a) 5+3
b) 5×3
c) 5−3
d) 5÷3
Answer: 5×3
13. The smallest 4-digit number that can be formed using the digits 7, 8, 0, 9 without repeating the digits is:
a) 9087
b) 7089
c) 7890
d) 7809
Answer: 7089
14. Which of the given options shows the correct expanded form of 8904?
a) 800 + 900 + 0 + 4
b) 8,000 + 900 + 0 + 4
c) 8,000 + 0 + 90 + 4
d) 8,000 + 900 + 0+ 40
Answer: 8,000 + 900 + 0 + 4
15. In the number 52, what is the place value of 2?
a) ones
b) tens
c) hundreds
d) none of these
Answer: ones
16. How many 3's are there in 18?
a) 3
b) 4
c) 5
d) 6
Answer: 6
17. Madan goes to play tennis at 5:00 pm and reaches home at 7:00 pm. How long does he play?
a) 2 hours
b) 4 hours
c) 6 hours
d) 12 hours
Answer: 2 hours
18. Find the missing numbers in the number series given below.
53, 48, 43, 38, _, 28, 23, _
a) 34 and 29
b) 33 and 18
c) 37 and 18
d) 33 and 21
Answer: 33 and 18
19. Riya bought 80 oranges and 70 apples. How many fruits did she buy in all?
a) 10
b) 15
c) 150
d) 510
Answer: 150
20. If 678 means PIT, what does 876 mean?
a) PTI
b) TPI
c) TIP
d) PIT
Answer: TIP
21. The weight of an apple is best measured in __
a) Inches
b) Millimetres
c) Litres
d) Grams
Answer: Grams
22. How many hours make a day?
a) 12 hours
b) 24 hours
c) 18 hours
d) 22 hours
Answer: 24 hours
23. Rohit and Karan played a basketball game. They scored a total of 20 baskets. If Rohit scored 3 baskets, how many baskets did Karan score?
a) 3
b) 5
c) 17
d) 9
Answer: 17
24. _ x _ =28, then find the two numbers.
a) 4 and 5
b) 5 and 7
c) 7 and 4
d) 4 and 6
Answer: 7 and 4
25. Subtract: 324 – 34 = _
a) 280
b) 290
c) 209
d) none of these
Answer: 290
26. Which of the following is equal to one?
a) 1×1
b) 9÷9
c) 1+0
d) All of these
Answer: All of these
27. Find the difference: Rs. 24656 and Rs. 32750.85.
a) Rs. 8904.85
b) Rs. 8094.85
c) Rs. 9084.85
d) None of these
Answer: 8094.85
28. How many hundreds are there in 1802?
a) 8
b) 800
c) 80
d) none of these
Answer: 8
29. Which one of the following is true?
a) 1+0=10
b) 1−0=9
c) 1×1=11
d) 1÷1=1
Answer: 1÷1=1
30. Priya put 70 plastic cups in the first stack, 80 plastic cups in the second stack, and 90 plastic cups in the third stack. If this pattern continues, how many plastic cups will priya put in the fifth stack?
a) 100
b) 108
c) 106
d) 110
Answer: 110
31. 72031 + 4521 + 1311 = ____.
a) 77836
b) 77863
c) 72031
d) None of these
Answer: 77863
32. Which one of the following has greater value?
a) 500 centimetre
b) 6 metre
c) 525 millimetre
d) 565 millimetre
Answer: 6 metre
33. What is the standard form of 7,000 + 800 + 20 + 5?
a) 7,285
b) 7,825
c) 7,852
d) 7,528
Answer: 7,825
34. Divide the product of [4] and [8] by [16].
a) 4
b) 2
c) 5
d) 3
Answer: 2
35. Which one of the following numbers should be subtracted from 67 to get 37?
a) 30
b) 37
c) 31
d) 27
Answer: 30
36. Is 43 – 20 even or odd?
a) even
b) odd
c) can’t say
d) none of these
Answer: odd
37. There are 11 boys and 19 girls in theI class. 1 boy and 3 girls are absent from school today. How many pupils are present?
a) 22
b) 26
c) 28
d) 30
Answer: 26
38. Fill in the missing number?
___ – 564 = 254
a) 881
b) 818
c) 188
d) none of these
Answer: 818
39. Which is not true?
a) 6,473 > 6,374
b) 6,473 < 6,473
c) 6,473 > 6,348
d) 6,473 > 6,347
Answer: 6,473 < 6,473
40. 48 has 8 ones and ____ tens.
a) 8
b) 4
c) 12
d) 2
Answer: 4
41. Which of these is the same as 3945 - 1540?
a) 1780 + 1345
b) 1250 + 1155
c) 2790 - 255
d) 3780 - 1275
Answer: 1250 + 1155
42. Ravi has 30 eggs. He has 2 empty egg cartons that can hold 12 eggs per carton. How many eggs are left with him?
a) 6
b) 12
c) 18
d) 5
Answer: 6
43. Which of the following number is even?
a) 7
b) 13
c) 24
d) none of these
Answer: 24
44. What is the least whole number you can make using all of the following digits?
4, 7, 2, 9,
a) 7942
b) 2479
c) 9742
d) none of these
Answer: 2479
45. What number is in the hundreds place of 1,354?
a) 1
b) 3
c) 5
d) 4
Answer: 3
46. 64 books are placed equally in 8 boxes. How many books does each box contain?
a) 10
b) 7
c) 8
d) 5
Answer: 8
47. Anu bought 7 kg of pink pebbles, 2 kg of red pebbles and 6 kg of blue pebbles. She mixed them and packed them equally into 5 bags. What was the weight of the mixed pebbles in each bag?
a) 3 kg
b) 15 kg
c) 6 kg
d) 9 kg
Answer: 3 kg
48. How do you write 46 using words?
a) Sixty Four
b) Forty Six
c) Sixty Six
d) None of these
Answer: Forty Six
49. A cyclist has to run a race of 15 km 750 m. If his speed is 5 km/h, then how much time will he take to complete the race?
a) 2 hours 45 minutes
b) 3 hours 09 minutes
c) 3 hours 30 minutes
d) 3 hours 15 minutes
Answer: 3 hours 09 minutes
50. Which one of the following is more than 17 + 59?
a) 58
b) 53
c) 77
d) 48
51. Which item is the heaviest?
a) 
b) 
c) 
d) 
Answer: 3 hours 09 minutes
Answer: 77
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Solving Maths Olympiad questions has enormous benefits like developing problem-solving skills, improving time management skills and so on. It also gives an idea about the questions asked in the actual examination. So always remember to add practicing sample papers in your preparation guide for the Olympiad exams.
