CREST Mental Maths Olympiad Class 9 Previous Year Papers

Q.1

Which number is divisible by 17?
665213, 324256, 648723, 957508

Q.2

A coin is tossed once, find the probability of getting 'Head'.

Q.3

The graph shows the percentage break-up of sales of units of different products in 2018.
Find out the difference between the product A and C together and product B and D together.

Q.4

What will be the volume of tank whose length is 10 m, breadth 8 m and height 6 m?

Q.5

A man rows with a speed of 8 km/h in still water. Find the downstream, if the speed of the stream is 4 km/h.

Q.6

What is the product of Zero’s of polynomials (x + 8) (x − 10)?

Q.7

What is the value of (625)^0.24 X (625)^0.01?

Q.8

If the number 87215X6 is completely divisible by 11, then the smallest whole number in place of X.

Q.9

Solve:
2 × 256 × ? = 82 × 102 × 2

Q.10

If a square is inscribed in a circle, find the ratio of the area of the circle and the square.