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

Q.4	30 men can plant 60 trees in 5 hours. If 5 men leave the job, how many trees will be planted in 10 hours?

Q.7	Find the area of a triangle whose sides are 50 m, 78 m, 112 m respectively.

Q.8	What will come in place of question mark (?) in the diagram?

Q.9	If the height of the frustum is 4 cm and the radii of two bases are 3 cm and 6 cm respectively, find the slant height of the frustum.

Q.10	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?

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Answers to Previous Year Questions from CREST Olympiads:

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

Answers to Previous Year Questions from CREST Olympiads:

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