CREST Mental Maths Olympiad Class 8 Previous Year Papers

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Syllabus:

Number System
Algebra
Square and Square Roots
Cube and Cube Roots
Comparing Quantities
Mensuration
Playing with Numbers
Data Handling and Symmetry
Geometry

Q.1

Q.2

Q.3

Q.4

Q.5

Q.6

Q.7

Q.8

Q.9

Q.10

Q.1	30 persons can complete a piece of work in 18 days. How many more persons needed if the work is to be completed in 12 days?

Q.2	Find the value of x.

Q.3	Sam spends 1/4 portion of a day studying at school, 1/12 portion playing out, 1/3 portion studying at home, in the remaining time, he does other work and takes rest. What portion of the day does he spend studying and playing?

Q.4	Solve for "x": 69.69 – 51.54 + 73.64 = x + 32.42

Q.5	Solve:

Q.6	What is the total surface area of a solid hemisphere whose curved surface area is 416 cm²?

Q.7	If a box contains 12 items and 3 of them are defective, what percentage of the items are defective?

Q.8	Find y in the given figure.

Q.9	16 persons need 56 kg of rice in 1 week. How much rice will be needed by 24 persons in four weeks?

Q.10	Find the cube root of 1728?

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Other Classes Previous Year Papers

Other Previous Year Papers

Answers to Previous Year Questions from CREST Olympiads:

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

Answers to Previous Year Questions from CREST Olympiads:

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