Surface Area and Volumes (IMO- Mathematics Olympiad Class 9): Questions 68 - 71 of 104

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Question number: 68

» Surface Area and Volumes

MCQ▾

Question

A rectangle is divided into five smaller rectangles, as shown in the figure. Four of them have areasEquation , Equation , Equation and Equation as indicated. Then the area of the shaded rectangle is ________

Given rectangle is divided into five smaller rectangles

Given Rectangle Is Divided Into Five Smaller Rectangles

Given rectangle is divided into five smaller rectangles. Three of them have areas 8 units, 10 units, 45 units and 14 units as indicated and find the area of the shaded rectangle

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 69

» Surface Area and Volumes

MCQ▾

Question

Two cubes each of volume Equation are joining end to end. Find the surface area of the resulting cuboid.

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 70

» Surface Area and Volumes

MCQ▾

Question

Two cylinders of same volume have their heights in the ratio 1: 3. Find the ratio of their radii?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 71

» Surface Area and Volumes

MCQ▾

Question

A cylindrical vessel 60 cm in diameter is partially filled with water. A sphere, 60 cm in diameter is gently dropped into the vessel. To what further height will water rise in the cylinder?

Choices

Choice (4) Response

a.

25 cm

b.

15 cm

c.

30 cm

d.

40 cm

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