IMO- Mathematics Olympiad Class 7: Questions 555 - 560 of 1012

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Question number: 555

» Everyday Mathematics

MCQ▾

Question

Three bells toll at intervals of 36 seconds, 40 seconds and 48 seconds respectively. They start ringing together at a particular time. They next toll together after ________.

Choices

Choice (4) Response

a.

18 minutes

b.

12 minutes

c.

24 minutes

d.

6 minutes

Question number: 556

» Everyday Mathematics

MCQ▾

Question

In our office there are 60 % female employees. 50 % of all the male employees are computer literate. If there 62 % employees are computer literate out of the total 1600 employees, then the number of female employees who are computer literate is ________.

Choices

Choice (4) Response

a.

690

b.

960

c.

672

d.

Can’t be determined

Question number: 557

» Comparing Quantities

MCQ▾

Question

A person by selling an article for Rs. 450, loses 20%, In order to make a profit of 20%, what is the price at which he must sell?

Choices

Choice (4) Response

a.

Rs. 500

b.

Rs. 575

c.

Rs. 475

d.

Rs. 675

Question number: 558

» Comparing Quantities

MCQ▾

Question

During a football match, 5400 people showed their spirit by wearing home team’s colors. If 18000 people attended the game, what percent of crowd wear the same colors?

Choices

Choice (4) Response

a.

20%

b.

30%

c.

50%

d.

25%

Question number: 559

» Comparing Quantities

MCQ▾

Question

Sneha saves 18 of her salary each month by creating fixed deposit in bank. What percent of her salary she saved?

Choices

Choice (4) Response

a.

18.2%

b.

12.5%

c.

80%

d.

15%

Question number: 560

» Comparing Quantities

MCQ▾

Question

In an examination one should get 25 % of the maximum marks to pass. A student obtains 86 marks and is declared fail by 64 marks. The maximum marks are ________.

Choices

Choice (4) Response

a.

600

b.

350

c.

810

d.

660

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