IMO- Mathematics Olympiad Class 8: Questions 386 - 393 of 1029

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Question number: 386

» Algebraic Expressions and Identities

MCQ▾

Question

On multiplying 9x2 by 5x2 , we get product________.

Choices

Choice (4) Response

a.

45x3

b.

45x4

c.

5x4

d.

45x2

Question number: 387

» Algebraic Expressions and Identities

MCQ▾

Question

The difference of the degrees of the polynomials 3xy10 and 2x is________

Choices

Choice (4) Response

a.

4

b.

7

c.

10

d.

5

Question number: 388

» Algebraic Expressions and Identities

MCQ▾

Question

(4a5b)2+40ab is equivalent to________.

Choices

Choice (4) Response

a.

(4a+5b)2

b.

(4a+3b)2

c.

(2a+5b)2

d.

(4a5b)2

Question number: 389

» Algebraic Expressions and Identities

MCQ▾

Question

If we divide (2x2+3x+1) by (x+1) , then the quotient is________.

Choices

Choice (4) Response

a.

3x+1

b.

2x+1

c.

5x1

d.

x+2

Question number: 390

» Algebraic Expressions and Identities

MCQ▾

Question

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

Choices

Choice (4) Response

a.

8

b.

2

c.

3

d.

7

Question number: 391

» Algebraic Expressions and Identities

MCQ▾

Question

If 3x+4y=5 and xy=1 , then the value of 9x2+16y2 is________.

Choices

Choice (4) Response

a.

36

b.

22

c.

1

d.

51

Question number: 392

» Algebraic Expressions and Identities

MCQ▾

Question

Find the missing term in the following problem.

(2x4+2y3)2=4x216+4y29+?

Choices

Choice (4) Response

a.

23x2y

b.

32xy

c.

23xy

d.

23xy2

Question number: 393

» Algebraic Expressions and Identities

MCQ▾

Question

Degree of the following polynomial is,

5x5+3x32x+1

Choices

Choice (4) Response

a.

5

b.

1

c.

3

d.

0

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