IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 427 - 434 of 1040

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Question number: 427

» Algebraic Expressions and Identities

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MCQ▾

Question

If , then is________.

Choices

Choice (4)Response

a.

2

b.

3

c.

1

d.

4

Question number: 428

» Algebraic Expressions and Identities

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MCQ▾

Question

The quotient when is divided by is________.

Choices

Choice (4)Response

a.

3q

b.

c.

d.

Question number: 429

» Algebraic Expressions and Identities

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MCQ▾

Question

If , find the value of .

Choices

Choice (4)Response

a.

723

b.

725

c.

727

d.

772

Question number: 430

» Algebraic Expressions and Identities

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MCQ▾

Question

What must be subtracted from to get ?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 431

» Algebraic Expressions and Identities

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MCQ▾

Question

The perimeter of a triangle is and two of its sides are and . Find the third side of the triangle.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 432

» Rational Numbers

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MCQ▾

Question

A hoop is resting vertically at staircase as shown in the diagram. AB = 12 cm and BC = 6 cm. The radius of the hoop is________.

the radius of the hoop that is resting vertically at staircase

The Radius of the Hoop That is Resting Vertically at Staircase

Choices

Choice (4)Response

a.

11 cm

b.

10 cm

c.

12 cm

d.

15 cm

Question number: 433

» Mensuration

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MCQ▾

Question

Find the surface area of a cylinder with diameter of base 5 cm and height 30 cm.

Choices

Choice (4)Response

a.

510

b.

610

c.

505

d.

511

Question number: 434

» Mensuration

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MCQ▾

Question

Two rectangles ABCD and DBEF are as shown in the figure. The area of rectangle DBEF in square units is________.

Two rectangles ABCD and DBEF with AB = 8 and AD = 15 are given

Two Rectangles ABCD and DBEF with AB = 8 and AD = 15 Are Given

Choices

Choice (4)Response

a.

120

b.

140

c.

90

d.

160

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