IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 555 - 559 of 1022

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Question 555

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Question

MCQ▾

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.12 minutes
b.24 minutes
c.18 minutes
d.6 minutes

Question 556

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Question

MCQ▾

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.672
b.690
c.Can’t be determined
d.960

Question 557

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Question

MCQ▾

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 558

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Question

MCQ▾

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.25%
d.50%

Question 559

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Question

MCQ▾

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

Choices

Choice (4)Response
a.15%
b.12.5%
c.80%
d.18.2%