IMO- Mathematics Olympiad Class 8: Questions 417 - 422 of 1029

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Question number: 417

» Algebraic Expressions and Identities

MCQ▾

Question

The value of (67.542)2(32.458)275.45840.374 is________.

Choices

Choice (4) Response

a.

1000

b.

10

c.

1

d.

100

Question number: 418

» Algebraic Expressions and Identities

MCQ▾

Question

If 1x=2 , then x2+1x2 is________.

Choices

Choice (4) Response

a.

2

b.

7

c.

4

d.

1

Question number: 419

» Algebraic Expressions and Identities

MCQ▾

Question

What must be subtracted from x4+3x32x9 to get x2+x1 ?

Choices

Choice (4) Response

a.

x4+3x3+x23x8

b.

x4+3x3+x2+3x8

c.

x4+3x3x23x8

d.

x4+3x3x2+3x+8

Question number: 420

» Algebraic Expressions and Identities

MCQ▾

Question

The two adjacent sides of rectangle are 4y2+xy and x2+xy . Find the perimeter.

Choices

Choice (4) Response

a.

10x2+6y2+6xy

b.

10x2+2y2+6xy

c.

2x28y24xy

d.

2x2+8y2+4xy

Question number: 421

» Algebraic Expressions and Identities

MCQ▾

Question

Find the difference between the quotient and remainder when (x312x242) is divided by (x22x+1) .

Choices

Choice (4) Response

a.

23x+23

b.

2x+22

c.

22x+21

d.

22x+22

Question number: 422

» Algebraic Expressions and Identities

MCQ▾

Question

The two adjacent sides of rectangle are 5x+3yz and y2+3xy . Find the perimeter.

Choices

Choice (4) Response

a.

2y2+6yz+6xy+10x

b.

2y26yz+6xy+11x

c.

y2+3yz+6xy+10x

d.

2y26yz6xy+10x

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