Mensuration (IMO- Mathematics Olympiad Class 8): Questions 13 - 17 of 61

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Question number: 13

» Mensuration

MCQ▾

Question

The radii of the bases of two cylinders are in the ratio of 3: 4 respectively and their heights are in the ratio 4: 5 respectively, find the ratio of their volumes.

Choices

Choice (4) Response

a.

20: 3

b.

20: 9

c.

9: 20

d.

3: 20

Question number: 14

» Mensuration

MCQ▾

Question

A rectangle field has its length and breadth in the ratio 2: 3. Its area is 3.80 hectares. The cost of fencing it at Rs. 2 per meter is________.

Choices

Choice (4) Response

a.

Rs 1000

b.

Rs 1600

c.

Rs 1100

d.

Rs 1500

Question number: 15

» Mensuration

MCQ▾

Question

ABC is a right angled triangle with BAC=90° . AH is drawn perpendicular to BC where H lies on BC. If AB = 40 cm and AC = 60 cm, then BH = ________.

Right-angled triangle ABC with AB = 40 cm, AC = 60 cm

Right-Angled Triangle ABC With AB = 40 Cm, AC = 60 Cm

Find out BH of a right-angled triangle ABC using given measure when AH is perpendicular to BC

Choices

Choice (4) Response

a.

25

b.

50

c.

30

d.

40

Question number: 16

» Mensuration

MCQ▾

Question

What is the ratio of the perimeter of the shaded region to the circumference of the circle?

A circle with center A is given

A Circle With Center a Is Given

Find out the ratio of the perimeter of the shaded region to the circumference of the circle

Choices

Choice (4) Response

a.

4+π4π

b.

4π4π

c.

4+ππ

d.

2+π4π

Question number: 17

» Mensuration

MCQ▾

Question

The radius of the cylinder whose lateral surface area is 610 cm2 and height 6 cm, is________.

Choices

Choice (4) Response

a.

11 cm

b.

12 cm

c.

14 cm

d.

10 cm

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