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

Factorise:

x(x2 + y2 −z2) − z(x2 + y2 −z2)

Q.2

The marked price of a radio is $480. The shopkeeper allows a discount of 10% and gains 8%. If no discount is allowed, find his gain%.

Q.3

In the parallelogram shown below, find ∠ABC.



Q.4

Simplify:

x2 − 13x − 42 = (x − 6) (x − 7)

Q.5

How many km/h does a man walk who passes through a street 600 m long in 5 minutes?

Q.6

Which number is divisible by 17?
123445, 133365, 32376, 245346

Q.7

Simplify:

3/5th of 24% of 500 - 32 = ?

Q.8

Find the mean of the data given below:
10, 5, 13, 4, 9, 12, 11 and 24

Q.9

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

Q.10

Solve:
(7+ 20) x (3÷ 30)

Your Score: 0/10

Answers to Previous Year Questions from CREST Olympiads:

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

Answers to Previous Year Questions from CREST Olympiads:

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

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