IMO- Mathematics Olympiad Class 9: Questions 590 - 594 of 919

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Question number: 590

» Everyday Mathematics

MCQ▾

Question

A and B started a business with initial investments in the ratio 14:15 and their annual profits were in the ratio 7:6 . If A invested the money for 10 months, for how many months did B invest his money?

Choices

Choice (4) Response

a.

6

b.

8

c.

9

d.

7

Question number: 591

» Polynomials

MCQ▾

Question

Factorize (37A9A2)2(7A+2)2

Choices

Choice (4) Response

a.

(59A2)(9A2+14A1)

b.

(5+9A2)(114A+9A2)

c.

(59A2)(114A9A2)

d.

(9A25)(1+14A9A2)

Question number: 592

» Polynomials

MCQ▾

Question

If (a+1a)2=b then a3+1a3 is equal to ________.

Choices

Choice (4) Response

a.

b32+3b12

b.

b32

c.

b3

d.

b323b12

Question number: 593

» Everyday Mathematics

MCQ▾

Question

P and Q started a business with initial investments in the ratio 15:10 and their annual profits were in the ratio 15:5 . If P invested the money for 20 months, for how many months did Q invest his money?

Choices

Choice (4) Response

a.

17

b.

18

c.

19

d.

10

Question number: 594

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

Riddhi walked 30 m towards north. Then she turned right and walk 40 m. then she turns right and walks 45 m. then she turns left and walks 25 m. finally he turns left and walks 15 m. in which direction and how many metres is she from the starting position?

Choices

Choice (4) Response

a.

65 m west

b.

65 m east

c.

45 m east

d.

45 m west

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