IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 551 - 555 of 1022

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Question number: 551

» Everyday Mathematics

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Question

The total cost of 5 books and 3 bags is Rs. 2500. If one book costs Rs. 25 less than one bag, find the price of each book and bag respectively.

Choices

Choice (4)Response

a.

Rs. 320, Rs. 380

b.

Rs. 303, Rs. 328

c.

Rs. 300, Rs. 320

d.

Rs. 330, Rs. 308

Question number: 552

» Everyday Mathematics

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MCQ▾

Question

Three bells toll at intervals of 12 seconds, 16 seconds and 18 seconds respectively. They start ringing together at a particular time. They next toll together after ________.

Choices

Choice (4)Response

a.

2.8 minutes

b.

2.4 minutes

c.

3.2 minutes

d.

1.2 minutes

Question number: 553

» Everyday Mathematics

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MCQ▾

Question

Equal sums of Rs. 3400 were lent to Kajal and Misha at 2 % per annum for a period of 3 years and 5 years respectively. Find the difference of the interest paid by Kajal and Misha.

Choices

Choice (4)Response

a.

Rs. 167

b.

Rs. 260

c.

Rs. 136

d.

Rs. 366

Question number: 554

» Everyday Mathematics

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MCQ▾

Question

When Ravesh travelled 45 km he found that of the entire journey was still left. The length of the journey left is

Choices

Choice (4)Response

a.

67.5 km

b.

45 km

c.

150 km

d.

112.5 km

Question number: 555

» Everyday Mathematics

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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.

12 minutes

b.

24 minutes

c.

18 minutes

d.

6 minutes

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