IMO- Mathematics Olympiad Class 7: Questions 552 - 556 of 1012

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Question number: 552

» Everyday Mathematics

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.

1.2 minutes

b.

3.2 minutes

c.

2.4 minutes

d.

2.8 minutes

Question number: 553

» Everyday Mathematics

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. 366

b.

Rs. 167

c.

Rs. 260

d.

Rs. 136

Question number: 554

» Everyday Mathematics

MCQ▾

Question

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

Choices

Choice (4) Response

a.

112.5 km

b.

67.5 km

c.

150 km

d.

45 km

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

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