﻿ Free Maths Olympiad (CMO) Sample Paper for Class 5 (PDF)

# CREST Mathematics Olympiad Class 5 Sample Paper

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## Syllabus:

Section 1: Numerals, Number Names and Number Sense (7 and 8 digit numbers), Computation Operations, Fractions and Decimals, Measurement of Length, Weight, Capacity, Time, Temperature and Money, Conversions, Geometrical Shapes and Solids, Angles, Perimeter of Various Shapes & Area of Rectangle and Square, Symmetry, Data Handling.

Achievers Section: Higher Order Thinking Questions - Syllabus as per Section 1

 Q.1 If the side of each square in the given figure is 8 m, then find the area and the perimeter.
 Q.2 The decimal from of 6708/100 is _______.
 Q.3 Find the value of the following:- 53 x 27 - (- 462) + 294.50 - (- 2135.80)
 Q.4 The weight of three boys is 11 3/4 kg, 14 1/5 kg and 16 1/2 kg. Find the total weight of the three boys.
 Q.5 The mixed fraction 5 4/7 can be expressed as:
 Q.6 What do we get when we divide the sum of 4 5/9 and 3 6/11 by their difference?

Q.7

The given table shows the amount spent in cents by a family. Find the ratio of the amount spent on laundry to the amount spent on groceries.

 Categories Grocery Rent Laundry Educations Others Expenditure 8570 20,000 1000 10,000 15,000

 Q.8 Which of the following statements is not true?
 Q.9 Which of the given options shows how the given figure would look if it is quarterly rotated in the clockwise direction?
 Q.10 What is the HCF of 210, 350 and 546?

 Q.1 c Q.2 a Q.3 b Q.4 c Q.5 b Q.6 c Q.7 a Q.8 c Q.9 d Q.10 a

## Maths Olympiad Questions for Class 5

1. I am a two-digit odd number, I am a common multiple of 3 and 7 and I have 4 factors. Find me.

a) 28
b) 21
c) 10
d) 35

2. 1 crore = ________ millions

a) 10
b) 100
c) 1000
d) None of these

3. Abhishek has prepared some sets of numbers which have been given below. Which one of the following sets is the set of integers?

a) {0, 1, 2, 4, 8, 16, 32}
b) {3, 6, 9, 12, 15}
c) {-4, -3, -2, -1, 0, 1, 2, 3, 4}
d) All of these

4. Find the value of (1+0.1+0.01+0.001).

a) 0.4
b) 1.3
c) 1.111
d) 0.111

5. Write the successor of 802549?

a) 802549
b) 802548
c) 802551
d) 802550

6. Which digit should come at the place of * to make the number 7813 * divisible by 3?

a) 3
b) 4
c) 7
d) 2

7. _____ number is neither prime nor composite number.

a) 0
b) 2
c) 1
d) None of these

8. Which among the following is the largest number?

a) 1 time of 1111
b) 11 hundred
c) 1 thousand
d) 3 times of 111

9. Convert 2567 mm into m.

a) 256.7 m
b) 25.67 m
c) 2.567 m
d) 2567 m

10. Identify the correct statement.

a) 600+81=60+81
b) 600+81=608+1
c) 600+81=610+8
d) 600+81=601+80

11. The decimal from of 6708/100 is _______.

a) 67.08
b) 670.08
c) 6.708
d) 670

12. Calculate: 2.5×(4.2−3.2)−0.5

a) 2.5
b) 2
c) 0.5
d) 3

13. How many lines of symmetry does a square has?

a) 4
b) 2
c) 1
d) 6

14. If TOOL is coded as 1224, then LOOT will be coded as _______.

a) 1422
b) 4122
c) 1242
d) 4221

15. Convert 360 seconds into hours.

a) 0.1 hours
b) 10 hours
c) 1 hours
d) None of the above

16. Shweta is standing in a row. If she is 14th from left end and 8th from right end, how many people are standing in the row?

a) 23
b) 20
c) 22
d) 21

17. The total cost of a bag and T-shirt is ?200, Diya buys 4 bags and 2 T-shirs for ?650. How much does a T-shirt and 2 bags cost?

a) ?355
b) ?350
c) ?305
d) ?352

18. If day after tomorrow will be Friday, when was the Monday?

a) Today
b) Yesterday
c) Day before yesterday
d) Two days before yesterday

19. The difference of H.C.F. and L.C.M. of the numbers 12 and 16 is:

a) 42
b) 36
c) 44
d) 48

20. Fill in the blank box with the correct number: 12×12−11×4=[?]×9+28

a) 7
b) 8
c) 9
d) 10

21. Which one of the following numbers is not divisible by 6 and 9 both?

a) 436572
b) 652734
c) 563428
d) 752436

22. How many times during a day the hands of a clock make a straight line?

a) 11
b) 24
c) 22
d) 44

23. If we cut a cube whose length is 30 cm long, into 150 smaller cubes of equal volume, the volume of each smaller cube will be:

(a) 60 cm3
(b) 180 cm3
(c) 210 cm3
(d) 240 cm3

24. If 16 men can do a piece of work in 18 days, then in how many days will 12 men complete it?

a) 18 days
b) 24 days
c) 28 days
d) 20 days

25. Rayan gives a test of 3 hours. Due to an emergency, he left after just 20 minutes. What fraction of time did he sit for the exam?

a) 1/9
b) 1/2
c) 8/9
d) 1/4

26. A number has 5 hundreds, 7 tens, 2 ones, 3 tenths, 6 hundredths and 5 thousandths. Write the number.

(a) 572365
(b) 57236.5
(c) 5723.65
(d) 572.365

27. Which of the following is another form of 23642?

a) 200 + 30 + 6 + 4 + 2
b) 2000 + 300 + 60 + 4 + 2
c) 20000 + 3000 + 600 + 40 + 2
d) 200000 + 30000 + 6000 + 400 + 20

Answer: 23642 = 20000 + 3000 + 600 + 40 + 2

28. Which of the following is a correct statement?

a) 2222−220=200+20
b) 2222−220=100+100+2
c) 2222−220=100+200+22
d) 2222−220=1000+1000+2

29. If XYZ = 789 and ABC = 123, then BAXY = ?

a) 1239
b) 9876
c) 2178
d) 3789

30. The missing number in the given expression
3984 – (293 + 583) × ___ = 1356 is ___.

a) 1
b) 2
c) 3
d) 4

31. 67589 X 100000 = ________

A. 675890000
B. 6759800000
C. 6758990000
D. 6758900000

32. What is the difference between the place values of digits 8 and 5 in the number 92876532?

a) 899450
b) 800500
c) 7999400
d) 799500

33. A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. AB, CD, EF, GH,?

(a) HJ
(b) HK
(c) IJ
(d) JI

34. Rohan walked 50 metres towards East, took a right turn and walked 30 metres. In which direction is he facing now?

a) South
b) North
c) West
d) South-East

35. The population of a city is 10378982, out of which 5126781 are men and 4502755 are women. How many children are there?

A. 794446
B. 749446
C. 649446
D. 759446

36. If the letters in English alphabet are written in reverse order, then which letter will be the 6th to the right of P?

a) J
b) V
c) W
d) K

37. 50 hundreds ÷ 5tens =

a) 1
b) 100
c) 10
d) 1000

38. Which of the following numbers will complete the given number series?
17, 25, 22, 30, ?, 35

a) 27
b) 26
c) 28
d) 29

39. (2 + 3 + 4) ×10 = 40 + 30 + _____

a) 20
b) 15
c) 23
d) 40

40. Find the wrong term in the given number series: 22 26 30 36 38 42

a) 38
b) 26
c) 36
d) 42

41. 9 + 99 + 999 = 9 ×_____

a) 123
b) 115
c) 110
d) 123

42. An angle which measures more than 180° but less than 360°is called ______.

a) Obtuse angle
b) Reflex angle
c) Right angle
d) None of these

43. The time 1 hour 28 min after 4:15 p.m. is:

a) 3:58 p.m.
b) 5:30 p.m.
c) 5:43 p.m.
d) 3:30 p.m.

44. Maya's horse eats about 5 bales of hay in 10 days. About how many bales of hay does her horse eat in 30 days?

a) 8
b) 12
c) 15
d) 78

45. Which of the following Roman numerals is equal to 166?

a) CXLVI
b) XCLVI
c) CXVIL
d) CLXVI

46. When any fraction is divided by itself, then the result will be ________?

a) 0
b) Same fraction
c) 1
d) None of these

47 Which one of the following is not a composite number?

a) 92
b) 97
c) 57
d) 104

48. Find the L.C.M. of 50, 30 and 75.

a) 120
b) 300
c) 600
d) 150

49. Which number will replace the question mark (?) in the number pattern given below?
9 : 27 :: 97 : ?

a) 316
b) 1135
c) 291
d) 377

50. Find the greatest common factor of 24, 56 and 72.

a) 8
b) 4
c) 12
d) 2