CREST Mental Maths Olympiad Class 9 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	ΔABC and ΔDEC are the right triangles with ∠B = ∠E = 90°, find BE.

Q.2	A shopkeeper expects a profit of 50% on his cost price. In a week, his sale was $15000. What was his profit?

Q.3	What are the two roots of the equation (x + 5)² - 36 = 0?

Q.4	A single discount, equivalent to a successive discount of 40% and 30% is:

Q.5	A coin is tossed twice. Find the probability of getting both tails.

Q.6	Find the next number in the sequence: 1, 1, 2, 3, 5, 8, 13, ?

Q.7	Express 3.14 into a mixed fraction.

Q.8	In a ∆PQR, PS = SR = SQ and ∠PRS = 55°. Find ∠SQP.

Q.9	The mean of 11 observations is 50. If the mean of first Six observations is 49 and that of last six observations is 52, then find sixth observation.

Q.10

Study the following table to answer the given question?
In City E, the number of Specialist officer is approximately what percent of that officer?

Your Score: 0/10

Answers to Previous Year Questions from CREST Olympiads:

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

Answers to Previous Year Questions from CREST Olympiads:

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