IMO- Mathematics Olympiad (SOF) Class 10: Questions 542 - 545 of 958

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Question number: 542

» 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: 543

» 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: 544

» 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

Question number: 545

» Everyday Mathematics

MCQ▾

Question

One year ago the ratio between Ram’s and Bharat’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. 1890. The salary of Ram’s now, is ________

Choices

Choice (4) Response

a.

Rs. 1575

b.

Rs. 1975

c.

Rs. 1875

d.

Rs. 2175

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