IMO- Mathematics Olympiad Class 9: Questions 745 - 749 of 919

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Question number: 745

» Everyday Mathematics

MCQ▾

Question

In a km. race A beats B by 35 metres or 7 seconds. Then A’s time over the course is ________.

Choices

Choice (4) Response

a.

3 minutes 19.3 seconds

b.

3 minutes 20 seconds

c.

3 minutes 7 seconds

d.

3 minutes 13 seconds

Question number: 746

» Analytical Reasoning and Logical Reasoning

MCQ▾

Question

Study the following information and answer the question given below it.

A blacksmith has five iron articles P, Q, R, S and T, each having a different weight

  1. P weights twice as much as Q

  2. Q weighs four and a half times as much as R

  3. R weighs half as much as S

  4. S weighs half as much as T

  5. T weighs less than A but more than R

Which of the following is the lightest?

Choices

Choice (4) Response

a.

R

b.

Q

c.

P

d.

S

Question number: 747

» Everyday Mathematics

MCQ▾

Question

Smarat purchased 100 reams of papers at Rs. 50 per ream. He spent Rs. 300 on transportation, paid octroi at the rate of 20 paise per ream and paid Rs. 80 to the coolie. If he wants to have a gain of 10% , what must be the selling price per ream?

Choices

Choice (4) Response

a.

Rs. 90.6

b.

Rs. 59.4

c.

Rs. 64.5

d.

Rs. 89.4

Question number: 748

» Polynomials

MCQ▾

Question

y32y2y+2 =

Choices

Choice (4) Response

a.

(y2)(y+1)2

b.

(y+2)(y1)(y+1)

c.

(y2)(y1)(y+1)

d.

(y+1)(y1)2

Question number: 749

» Polynomials

MCQ▾

Question

Factors of x323x2+142x120

Choices

Choice (4) Response

a.

(x+1)(x10)(x12)

b.

(x+1)(x+10)(x12)

c.

(x1)(x10)(x12)

d.

(x+1)(x10)(x+12)

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