CREST Mental Maths Olympiad Class 7 Previous Year Papers

Q.1

How many lines of symmetry are there in the given figure?

Q.2

Study the graph carefully and answer the question given below (Profit is taken as the % of expenditure.)
What would be the ratio of Company B's 2020 income to that of Company A's 2017 income?

Q.3

Find:
(4²)² - 17*8 + 14²

Q.4

Write the expression for the following:

A man has $x with him. He gave half to his wife, 1/3^rd to his son and rest of $1500 to his daughter.

Q.5

If the surface area of a cube is 150 cm², what is its side length?

Q.6

A lodge is in the form of a cuboid of measures 60 m x 40 m x 30 m. How many cuboidal boxes can be stored in it if the volume of one box is 0.08 m³?

Q.7

What is the surface area of a cylinder with a height of 7 cm and a diameter of 10 cm?

Q.8

John's father's age is 5 years more than three times John's age. Find John's age, if his father is 44 years old.

Q.9

The diameter of the driving wheel of a lorry is 95 cm. How many revolution per minute must the wheel make in order to keep a speed of 75 km/h approximately?

Q.10

At intervals of 2, 4, 6, 8, 10, and 12 seconds, six bells start tolling simultaneously. How many times do they ring in unison in a 30-minute period?