CREST Mental Maths Olympiad Class 12 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

The Pie – chart shows the result of a survey among 119060 people concerning the use of tobacco. Study the Pie – chart and answer the question.
Calculate the number of people smoking cigarettes.


Q.2

Which number is divisible by 19?
650864, 345645, 2753533, 887773

Q.3

What is simple interest of $1800 on 2% per annum for 2 years?

Q.4

If the height of the frustum is 4 cm and the radii of two bases are 3 cm and 6 cm respectively, find the slant height of the frustum.

Q.5

A man can row at 24 km/hr in still water. It takes him thrice as long to row up as to row down the river. Find the rate of stream.

Q.6

In the adjoining figure, find the value of semi perimeter for ∆ABD and ∆BCD .



Q.7

Convert the recurring decimals to fractions:



Q.8

Evaluate:
81 x 9 + 3x 3

Q.9

In ABC, AB = AC. ∠DBC = ∠DCB = 40o. Find x.

Q.10

The line graph shows the number of candidates applied for post P and post Q of a company between 2012 to 2017.
The number of candidates who applied for the post P in 2015 is approximately what percent of the total number of candidates who applied for post Q in all the years?



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Answers to Previous Year Questions from CREST Olympiads:

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

Answers to Previous Year Questions from CREST Olympiads:

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

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