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 archery target has three concentric circular regions. The diameter of the regions are in the 1 : 2 : 3. What is the ratio of their areas?

Q.2

Factorise:

m - 1 - (m - 1)2 + ax - a

Q.3

What is the value of x + y + w?



Q.4

Which number is divisible by 14?
57248, 124556, 89534, 484176

Q.5

Factorise:
x3 - x2 - mx - m + x - 1

Q.6

What will come in place of question mark (?) in the following equation? (approx.)
4433.764 – 2211.993 – 1133.667 + 3377.442 = ?

Q.7

Factorise:

x(x2 + y2 −z2) − z(x2 + y2 −z2)

Q.8

A rectangular box 14 cm long, 10 cm wide and 5 cm high is to be made with cardboard. Find the area of cardboard to make that box.

Q.9

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.10

Simplify:

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

Your Score: 0/10

Answers to Previous Year Questions from CREST Olympiads:

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

Answers to Previous Year Questions from CREST Olympiads:

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

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