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	What is simple interest of $1800 on 2% per annum for 2 years?

Q.2	Find the area of a triangle whose sides are 50 m, 78 m, 112 m respectively.

Q.3	Leo buys a coloured TV for $10,000 and sells it for $12,000. Find his gain %.

Q.4	Convert the recurring decimals to fractions:

Q.5	If + means /, - means +, x means -, and / means x, then 8 / 4 - 6 + 3 x 4 = ?

Q.7	In the adjoining figure, find the value of semi perimeter for ∆ABD and ∆BCD .

Q.9	Ten men can do a piece of work in 12 days. How many men are needed to complete the work in 20 days?

Q.10	Which number is divisible by 2 and 8? 23462, 773292, 204120, 956482

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Answers to Previous Year Questions from CREST Olympiads:

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

Answers to Previous Year Questions from CREST Olympiads:

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