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.4	In the figure, ABCD is a cyclic quadrilateral. Side CD is produced to both sides so that ∠BCP = 110^o and ∠ADQ = 95^o. What is the sum of angles ∠A and ∠B?

Q.5	At a point 30 m away from the foot of a tower the angle of elevation of the top of the tower is 60^o. Find the height of the tower.

Q.6	One year ago, the ratio of Harry and Sam age was 6 : 7 respectively. Four years hence their ratio would become 7 : 8. How old is Sam?

Q.7	Which number is divisible by 2 and 8? 23462, 773292, 204120, 956482

Q.9	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.10	If + means /, - means +, x means -, and / means x, then 8 / 4 - 6 + 3 x 4 = ?

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Answers to Previous Year Questions from CREST Olympiads:

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

Answers to Previous Year Questions from CREST Olympiads:

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