IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 545 - 549 of 1022

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Question number: 545

» Everyday Mathematics

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Question

Rohan has certain amount in his account. He gives two-third of this to his mother and one third of the remaining to his daughter. The amount left with him now is ________.

Choices

Choice (4) Response

a.

of the original

b.

of the original

c.

of the original

d.

of the original

Question number: 546

» Everyday Mathematics

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Question

A school has 4500 students. The ratio of girls to boys 5: 4. How many girls are there in the class?

Choices

Choice (4) Response

a.

2000

b.

2100

c.

2400

d.

2500

Question number: 547

» Everyday Mathematics

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Question

Equal sums of Rs. 5500 were lent to Neha and Suman at 10 % per annum for a period of 2 years and 3 years respectively. Find the difference of the interest paid by Neha and Suman.

Choices

Choice (4) Response

a.

Rs. 150

b.

Rs. 350

c.

Rs. 280

d.

Rs. 550

Question number: 548

» Everyday Mathematics

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MCQ▾

Question

There are three drums with 1653 liters, 2261 liters and 2527 liters of petrol. The greatest possible size of the measuring vessel with which we can measure the petrol of any drum while every time the vessel must be completely filled is ________.

Choices

Choice (4) Response

a.

19

b.

27

c.

41

d.

31

Question number: 549

» Everyday Mathematics

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MCQ▾

Question

An organization sent out 420 invitations for a fund-raiser function. Of the people invited, 315 attended. What percent of the people invited attended the fund-raiser?

Choices

Choice (4) Response

a.

25%

b.

75%

c.

43%

d.

33%