Everyday Mathematics (IMO- Mathematics Olympiad (SOF) Class 9): Questions 57 - 61 of 99

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Question number: 57

» Everyday Mathematics

MCQ▾

Question

A train 100 meters long takes 6 seconds to cross a man walking at 5 km/h in the direction opposite to that of the train. The speed of the train is ________

Choices

Choice (4) Response

a.

51 km/hr

b.

76 km/hr

c.

47 km/hr

d.

55 km/hr

Question number: 58

» Everyday Mathematics

MCQ▾

Question

The highest score in an inning was of the total and the next highest was of the remainder. If the scores differed by 9, then the total score is ________.

Choices

Choice (4) Response

a.

99

b.

110

c.

121

d.

132

Question number: 59

» Everyday Mathematics

MCQ▾

Question

The difference between a discount of on Rs. 500 and two successive discounts of on the same amount is ________

Choices

Choice (4) Response

a.

0

b.

Rs. 2

c.

Rs. 1.93

d.

Rs. 7.20

Question number: 60

» Everyday Mathematics

MCQ▾

Question

Bhajan Singh purchased 120 reams of papers at Rs. 80 per ream. He spent Rs. 280 on transportation, paid octroi at the rate of 40 paise per ream and paid Rs. 72 to the coolie. If he wants to have a gain of , what must be the selling price per ream?

Choices

Choice (4) Response

a.

Rs. 90

b.

Rs. 87.48

c.

Rs. 86

d.

Rs. 89

Question number: 61

» Everyday Mathematics

MCQ▾

Question

A student was asked to divide a number by 6 and add 12 to the quotient. He, however, first added 12 to the number and then divided it by 6, getting 112 as the answer. The correct answer should have been________

Choices

Choice (4) Response

a.

122

b.

124

c.

114

d.

118

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