CREST Mental Maths Olympiad Class 10 Previous Year Papers

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Syllabus:

Number System
Algebra
Comparing Quantities
Geometry
Mensuration
Playing with Numbers
Data Handling

Q.1 Q.2 Q.3 Q.4 Q.5 Q.6 Q.7 Q.8 Q.9 Q.10

Q.1

Express 4/(√5 - 1) with a rational denominator.

Q.2

If the probability of winning a game is 0.7, what is the probability of losing it?

Q.3

Solve:



Q.4

What will come in place of question mark (?)?
4, 9, 16, 25, ?

Q.5

Find the volume of a cylinder which has a height of 14 m and a base of radius 3 m.

Q.6

The graph below shows the ratio of export to imports of two companies over the years.
In how many of the given years were the exports more than the imports for company A?



Q.7

The population of a town is 15000. It increases by 10% for the first year, 20% for the second year and 40% for the third year. What will be the population after 3 years?

Q.8

ABCD is a cyclic quadrilateral. If A = 95o, then find the measure of ∠C.

Q.9

A boat travels a distance of 25 km upstream in 5 h. If the speed of the boat in still water is 6 km/h, then find the speed of stream.

Q.10

In the given figure, sides AB and CD of the quadrilateral ABCD are produced. Find the value of x.

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Answers to Previous Year Questions from CREST Olympiads:

Q.1dQ.2bQ.3bQ.4dQ.5aQ.6cQ.7dQ.8dQ.9bQ.10a

Answers to Previous Year Questions from CREST Olympiads:

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

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