Surface Area and Volumes (IMO- Mathematics Olympiad Class 9): Questions 57 - 61 of 104

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Question number: 57

» Surface Area and Volumes

MCQ▾

Question

A triangle and a parallelogram are equal in area. They also have the same altitudes. If the base of the triangle is 24 inches, the base of the parallelogram is ________

Choices

Choice (4) Response

a.

12 inches

b.

15 inches

c.

14 inches

d.

18 inches

Question number: 58

» Surface Area and Volumes

MCQ▾

Question

If the volumes of two cones are in the ratio 1: 4 and their diameters are in the ratio 4: 5, and then the ratio of their heights is ________

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 59

» Surface Area and Volumes

MCQ▾

Question

How many metres of cloth, 5 m wide, will be required to make a conical tent, the radius of whose base is 7 m and height is 24 m?

Choices

Choice (4) Response

a.

105 m

b.

110 m

c.

100 m

d.

120 m

Question number: 60

» Surface Area and Volumes

MCQ▾

Question

In the given figure, O is the center of the bigger circle and WY is its diameter, another circle with WX as diameter is drawn. If WY = 54 cm and xy = 10 cm, the area of shaded region________

TWo circles are given and WY is its diameter

TWo Circles Are Given and WY Is Its Diameter

Given the O is the center of the bigger circle and WY is its diameter and WY = 54 cm and xy = 10 cm then find the area of shaded region

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 61

» Surface Area and Volumes

MCQ▾

Question

The edge of a cube is 18 cm. how many small cubes of 9 cm edge can be formed from this cube?

Choices

Choice (4) Response

a.

8

b.

1

c.

64

d.

48

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