IMO- Mathematics Olympiad Class 9: Questions 726 - 731 of 919

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Question number: 726

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

If the first three letters of the word ‘P R E P A R A T I O N’ are reversed, then last three letters are added and then the remaining letters are reversed and added, then which letter will be exactly in the middle?

Choices

Choice (4) Response

a.

N

b.

T

c.

R

d.

E

Question number: 727

» Polynomials

MCQ▾

Question

Given that y=1 is a solution of y3+3y2y3=0 . The other solutions are ________.

Choices

Choice (4) Response

a.

3,1

b.

3,1

c.

3,1

d.

3,1

Question number: 728

» Polynomials

MCQ▾

Question

x8y8 =

Choices

Choice (4) Response

a.

(xy)(x+y)(x2+y2)(x4+y4)

b.

(xy)(xy)(x2+y2)(x4+y4)

c.

(x+y)(x+y)(x2+y2)(x4+y4)

d.

(x+y)(x+y)(x2y2)(x4y4)

Question number: 729

» Polynomials

MCQ▾

Question

Factors of 27x3125t6

Choices

Choice (4) Response

a.

(3x+5t2)(9x215xt225t4)

b.

(3x5t2)(9x215xt225t4)

c.

(3x5t2)(9x2+15xt2+25t4)

d.

(3x+5t2)(9x2+15xt2+25t4)

Question number: 730

» Polynomials

MCQ▾

Question

Factors of 1x+x2x3 =

Choices

Choice (4) Response

a.

(1x)(1x2)

b.

(1+x)(1x2)

c.

(1x)(1+x2)

d.

(1+x)(1+x2)

Question number: 731

» Everyday Mathematics

MCQ▾

Question

The simple interest of x% for x years will be Rs. X on a sum of ________

Choices

Choice (4) Response

a.

Rs. 100 x

b.

Rs. x

c.

Rs. (100x2)

d.

Rs. (100x)

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