CREST Mental Maths Olympiad Class 8 Previous Year Papers

Q.1

Find:

Q.2

Find the next term in the alphanumeric series:
Z1A, X2D, V6G, T21J, R88M, P445P, ?

Q.3

How much is 25² - 23²?

Q.4

The graph shows analysis of first five overs of a team in a T-20 match. Study it and answer the question:
When the first wicket was down, what was the score?

Q.5

Raxon started a business by investing $45,000. 6 months later joined him with $30,000. In what ratio should the earned profit be distributed at the end of the year?

Q.6

Find the missing number:
1, 3, 6, 10, 15, ?

Q.7

James, Nike and Scott started a business in partnership by investing in the ratio of 6 : 5 : 8 respectively. At the end of the year, they earned a profit of $83,600. What will be Scott's share?

Q.8

Which number is divisible by 12?
248632, 532878, 904672, 135792, 68176

Q.9

Find the cube root of –1728.

Q.10

What is the total surface area of a solid hemisphere whose curved surface area is 416 cm²?