Mathematics-Mensuration [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 1 - 8 of 101

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Question 1

Mensuration
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Question

MCQ▾

The area of a sector of a circle of radius 8 cm cut off by an arc which is 9.25 cm long is:

Choices

Choice (4)Response
a.
b.
c.
d.

Question 2

Mensuration
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Question

MCQ▾

The radius of a circle is 28 m, then the circumference of a circle is:

Choices

Choice (4)Response
a.176 m
b.14 m
c.56 m
d.84 m

Question 3

Mensuration
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Question

MCQ▾

If the ratio of circumference of two circles is 9: 4 the ratio of their area is:

Choices

Choice (4)Response
a.81: 16
b.4: 9
c.3: 2
d.16: 81

Question 4

Mensuration
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Question

MCQ▾

Each side of a cube is increased by 45%. Then the surface area of the cube increases by:

Choices

Choice (4)Response
a.25%
b.30%
c.45%
d.145%

Question 5

Mensuration
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Question

MCQ▾

If the altitude of an equilateral triangle is cm, its area is

Choices

Choice (4)Response
a.
b.
c.
d.

Question 6

Mensuration
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Question

MCQ▾

When the circumference and area of a circle are numerically equal, then the diameter is numerically equal to:

Choices

Choice (4)Response
a.
b.Circumference
c.Area
d.4

Question 7

Mensuration
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Question

MCQ▾

A circular grass lawn of 63 m in radius has a path 7 m wide running around it on the outside. The area of the path is

Choices

Choice (4)Response
a.
b.
c.
d.

Question 8

Mensuration
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Question

MCQ▾

The circumference of a circle is 88 m, then the area of the circle is:

Choices

Choice (4)Response
a.
b.
c.
d.