IMO- Mathematics Olympiad Class 8: Questions 403 - 408 of 1029

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Question number: 403

» Algebraic Expressions and Identities

MCQ▾

Question

What must be subtracted from a2+2ab+2b2+1 to get a2+b1 ?

Choices

Choice (4) Response
a.

2b2b2ab+2

b.

2b22b+2ab+2

c.

2b2b+2ab+2

d.

2b2+b+2ab+2

Question number: 404

» Algebraic Expressions and Identities

MCQ▾

Question

The quotient when (21mnq2) is divided by (7mnq) is________.

Choices

Choice (4) Response
a.

3q

b.

3pm

c.

-3q

d.

3mn

Question number: 405

» Algebraic Expressions and Identities

MCQ▾

Question

What must be subtracted from a2+2a+2b2 to get b21 ?

Choices

Choice (4) Response
a.

2b2b+2ab+2

b.

a2+b22a+1

c.

a2+b2+2a+1

d.

2b2+b+2ab+2

Question number: 406

» Algebraic Expressions and Identities

MCQ▾

Question

On dividing 9xy2z4 by 3xy , we get quotient________.

Choices

Choice (4) Response
a.

3yz4

b.

3yz

c.

3yz4

d.

3z4

Question number: 407

» Algebraic Expressions and Identities

MCQ▾

Question

The two adjacent sides of rectangle are 4x23y2 and x2+3xy . Find the perimeter.

Choices

Choice (4) Response
a.

10x22y2+6xy

b.

10x26y2+3xy

c.

10x2+6y2+6xy

d.

10x26y2+6xy

Question number: 408

» Algebraic Expressions and Identities

MCQ▾

Question

Find the difference between the quotient and remainder when (4x3x9) is divided by (2x3) .

Choices

Choice (4) Response
a.

2x2+3x1

b.

2x2+3x+2

c.

2x2+3x+1

d.

2x23x+1

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