IMO- Mathematics Olympiad Class 9: Questions 465 - 469 of 919

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Question number: 465

» Polynomials

MCQ▾

Question

8a32a2b15ab2

Choices

Choice (4) Response

a.

(4a5b)(2a23ab)

b.

(4a+5b)(2a23ab)

c.

(4a+5b)(2a2+3ab)

d.

(4a5b)(2a2+3ab)

Question number: 466

» Polynomials

MCQ▾

Question

Factor of 2x2+7x+3 =

Choices

Choice (4) Response

a.

(2x1)(x+3)

b.

(2x+1)(x+3)

c.

(2x1)(x3)

d.

(2x+1)(x3)

Question number: 467

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

Six books P, Q, R, S, T and U are placed side by side. R, Q, T have blue covers and other books have red covers. Only S and are new books and the rest are old, P, R, S are law reports, the rest are Gazetteers. Which two books are old Gazetteers with blue covers?

Choices

Choice (4) Response

a.

T and U

b.

Q and T

c.

Q and R

d.

Q and U

Question number: 468

» Everyday Mathematics

MCQ▾

Question

A cloth merchant has announced 50% rebate in prices. If one needs to have a rebate of Rs. 70, then how many shirts each costing Rs. 60, he should purchase?

Choices

Choice (4) Response

a.

1 103

b.

53

c.

73

d.

173

Question number: 469

» Everyday Mathematics

MCQ▾

Question

A class starts at 7 a. m. and lasts till 1 p. m. seventh periods are held during this interval. After every period, 5 minutes are given free to the students. The exact duration of each period is ________

Choices

Choice (4) Response

a.

47.14 minutes

b.

47 minutes

c.

47.56 minutes

d.

47.78 minutes

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