Everyday Mathematics (IMO- Mathematics Olympiad (SOF) Class 10): Questions 31 - 35 of 67

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Question number: 31

» Everyday Mathematics

MCQ▾

Question

A bag contains tickets marked with numbers 179,180,172,127,155,115,143,122,175,222,232,162,112,136,192,182,174,132,32,131. A ticket is drawn at random. Find the probability that the ticket drawn has an even digit at ten’s place.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 32

» Everyday Mathematics

MCQ▾

Question

A girl calculates that the probability of her winning the first prize in a lottery is 0.08. If 6000 tickets are sold, how many tickets has she bought?

Choices

Choice (4) Response

a.

750

b.

240

c.

40

d.

480

Question number: 33

» Everyday Mathematics

MCQ▾

Question

One year ago the ratio between Shravan’s and Pushkar’s salary was. The ratios of their individual salaries between last year’s and this year’s salaries are and respectively. At present, the total of their salary is Rs. 3420. The salary of Pushkar’s now, is ________

Choices

Choice (4) Response

a.

Rs. 1640

b.

Rs. 1740

c.

Rs. 1440

d.

Rs. 1540

Question number: 34

» Everyday Mathematics

MCQ▾

Question

The Noida office of HP has 2000 executives. Of these 1200 use Saurashtra mail and 700 use Gujarat mail. 200 use both Saurashtra and the Gujarat mail. If an executive is picked at random, what is the probability that he has used Gujarat mail?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 35

» Everyday Mathematics

MCQ▾

Question

3 men and 10 boys can do a piece of work in 8 day, 3 men and 6 boys can do the same in 10 days. 5 men and 10 boys can do 4 times the amount of this work in ________

Choices

Choice (4) Response

a.

52 days

b.

32 days

c.

42 days

d.

22 days

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