CREST Mental Maths Olympiad Class 7 Previous Year Papers

Q.1

What would come at the place of "?" in the following figure?

Q.2

Read the histogram and answer the questions.
i. What is the number of students in the marks group of 50–60?
ii. In which group the number of students are maximum?

Q.3

ABCD is a quadrilateral. Find x.

Q.4

What is the surface area of a cuboid with length 4 cm, width 3 cm, and height 2 cm?

Q.5

A bicycle travels a distance of 20 km in 1 hour. How long will it take to travel a distance of 80 km at the same speed?

Q.6

l || m and t is a transversal, find x.

Q.7

Ramsin camera was loaded with a new roll of film. The film can take 36 snaps. During the class picnic, he took 20 pictures. What fraction of the roll can still be used to take snaps?

Q.8

Find:
(4²)² - 17*8 + 14²

Q.9

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?

Q.10

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