IMO- Mathematics Olympiad (SOF) Class 8: Questions 427 - 434 of 1029

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Question number: 427

» Algebraic Expressions and Identities

MCQ▾

Question

If , then is________.

Choices

Choice (4) Response

a.

2

b.

3

c.

1

d.

4

Question number: 428

» Algebraic Expressions and Identities

MCQ▾

Question

The quotient when is divided by is________.

Choices

Choice (4) Response

a.

b.

c.

d.

3q

Question number: 429

» Algebraic Expressions and Identities

MCQ▾

Question

If , find the value of .

Choices

Choice (4) Response

a.

727

b.

772

c.

723

d.

725

Question number: 430

» Algebraic Expressions and Identities

MCQ▾

Question

What must be subtracted from to get?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 431

» Algebraic Expressions and Identities

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

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

A hoop resting vertically at stair case and AB = 12 cm, BC = 6 cm is given

Choices

Choice (4) Response

a.

11 cm

b.

10 cm

c.

15 cm

d.

12 cm

Question number: 433

» Mensuration

MCQ▾

Question

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

Choices

Choice (4) Response

a.

505

b.

510

c.

511

d.

610

Question number: 434

» Mensuration

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

Find out the area of DBEF using given measure (AB = 8 and AD = 15)

Choices

Choice (4) Response

a.

120

b.

90

c.

160

d.

140

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