Everyday Mathematics (IMO- Mathematics Olympiad Class 10): Questions 16 - 20 of 67

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Question number: 16

» Everyday Mathematics

MCQ▾

Question

The Gurgaon office of Microsoft has 1500 executives. Of these 900 subscribe to the Hindustan Times and 750 subscribe to the Hindu. 150 subscribe to both Hindustan Times and the Hindu. If an executive is picked at random, what is the probability that he has subscribed to Hindustan Times?

Choices

Choice (4) Response
a.

45

b.

35

c.

15

d.

25

Question number: 17

» Everyday Mathematics

MCQ▾

Question

The difference in C. I and S. I for 2 years on a sum of money is Rs. 160. If the S. I for 2 years be Rs. 2880, the rate percent is ________

Choices

Choice (4) Response
a.

9%

b.

1119%

c.

559%

d.

1212%

Question number: 18

» Everyday Mathematics

MCQ▾

Question

While selling a watch, a shopkeeper gives a discount of 10% . If he gives a discount of 8% , he earns Rs. 30 less as profit. The marked price of the watch is ________

Choices

Choice (4) Response
a.

Rs. 1500

b.

Rs. 1750

c.

Rs. 1600

d.

Rs. 1480

Question number: 19

» Everyday Mathematics

MCQ▾

Question

A man whose bowling average is 18.2 takes 4 wickets for 46 runs and thereby decreases his average by 0.2. The number of wickets, taken by him, before his last match, is ________

Choices

Choice (4) Response
a.

110

b.

130

c.

115

d.

140

Question number: 20

» Everyday Mathematics

MCQ▾

Question

Sudhir buys a watch for Rs. 2, 00, 000 . He pays half of the amount in cash and agrees to pay the balance in 12 annual instalments of Rs. 10, 000 each. If the rate of interest is 30% and he pays with the instalment the interest due on the unpaid amount, find the total cost of the watch.

Choices

Choice (4) Response
a.

4, 25, 000

b.

6, 85, 000

c.

9, 25, 000

d.

3, 82, 000

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