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

What is the value of the polynomial -4x2 + 7x - 5, when x = -3?

Q.2

A sum of money doubles itself in 10 years at simple interest. What is the rate of interest?

Q.3

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.4

Which number is divisible by 14?
3688646, 968754, 485086, 574945

Q.5

Study the line graph carefully to answer the question.
Which month showed the highest absolute difference in the consumer price index over the previous month?

Q.6

In the given figure, LM and PQ are parallel to each other and AB is the transversal. If ∠MCD = (3x)° and ∠QDC = (2x + 50)°, then what is the value of x?



Q.7

How many 7s immediately preceded by 6 but not immediately followed by 4 are there in the following series?
7 4 2 7 6 4 3 6 7 5 3 5 7 8 4 3 7 6 7 2 4 0 6 7 4 3

Q.8

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

Q.9

Study the graph carefully to answer the question.
What is the ratio between the total production of commodities X and Y for all the seven years together?

Q.10

Solve:
(42 x 43)2 ÷ 28

Your Score: 0/10

Answers to Previous Year Questions from CREST Olympiads:

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

Answers to Previous Year Questions from CREST Olympiads:

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

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