CREST Mental Maths Olympiad Class 7 Previous Year Papers

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Syllabus:

Number System
Algebra
Square and Square Roots
Cube and Cube Roots
Comparing Quantities
Mensuration
Playing with Numbers
Data Handling and Symmetry
Geometry

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	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.2	Find the number of lines of symmetry in the given figure.

Q.3	What will come in place of question mark (?) in the number series? 8, 9, 20, 63, 256, 1285, ?

Q.4	What should be added to twice the rational number -7/3 to get 3/7?

Q.5	Form an equation: 5 added to twice a number is 135.

Q.6	Solve: 9³x 9 + 11⁷/11⁴

Q.7	A jeep has wheels of diameter 140 m. How many revolutions can the wheel complete in 40 minutes if the jeep is travelling at a speed of 220 m/s?

Q.8	Find:

Q.9	If the ratio of two numbers A and B is 5 : 6 and their LCM is 480, what is their HCF?

Q.10	In a mixture of 60 L, the ratio of milk and water is 7 : 3. How many litres of milk are there in the mixture?

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Other Classes Previous Year Papers

Other Previous Year Papers

Answers to Previous Year Questions from CREST Olympiads:

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

Answers to Previous Year Questions from CREST Olympiads:

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