IMO- Mathematics Olympiad Class 8: Questions 378 - 385 of 1029

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Question number: 378

» Algebraic Expressions and Identities

MCQ▾

Question

The perimeter of a triangle is p2p2 and two of its sides are p2p+1 and p22p+1 . Find the third side of the triangle.

Choices

Choice (4) Response

a.

p2+p4

b.

p2+2p4

c.

p22p1

d.

p22p+1

Question number: 379

» Algebraic Expressions and Identities

MCQ▾

Question

On dividing 24xyz by 3xy2 , we get quotient________.

Choices

Choice (4) Response

a.

7

b.

2

c.

8zy

d.

8xy

Question number: 380

» Algebraic Expressions and Identities

MCQ▾

Question

If we divide (x2+6x+8) by (x+4) , then the quotient is________.

Choices

Choice (4) Response

a.

3x+1

b.

x+2

c.

x+1

d.

5x1

Question number: 381

» Algebraic Expressions and Identities

MCQ▾

Question

If 3x+y=3 , then 6x+2y is equal to________.

Choices

Choice (4) Response

a.

5

b.

6

c.

8

d.

10

Question number: 382

» Algebraic Expressions and Identities

MCQ▾

Question

If 2x5y=16 and xy=1 , then the value of 4x2+25y2 is________.

Choices

Choice (4) Response

a.

215

b.

210

c.

222

d.

236

Question number: 383

» Algebraic Expressions and Identities

MCQ▾

Question

The value of (55.274)2(44.726)2105.995.99 is________.

Choices

Choice (4) Response

a.

1000

b.

1

c.

100

d.

10.548

Question number: 384

» Algebraic Expressions and Identities

MCQ▾

Question

The difference of the degrees of the polynomials 3xy2+2x7yzz5 and 2x23y3+1 is________

Choices

Choice (4) Response

a.

6

b.

7

c.

4

d.

5

Question number: 385

» Algebraic Expressions and Identities

MCQ▾

Question

(3a+2b)224ab is equivalent to________.

Choices

Choice (4) Response

a.

(2a+3b)2

b.

(3a2b)2

c.

(3a+2b)2

d.

(4a5b)2

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