IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 531 - 537 of 1042

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Question 531

Question

MCQ▾

A man completes of a job in 10 days. At this rate how many more days will it take him to finish the job?

Choices

Choice (4)Response

a.

6

b.

7.5

c.

7

d.

6.5

Question 532

Question

MCQ▾

The standard form of 0.00005 is________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 533

Question

MCQ▾

Given that and , then the value of is (approximately) ________.

Choices

Choice (4)Response

a.

1.21

b.

1.99

c.

1.23

d.

1.00

Question 534

Question

MCQ▾

A grocer has just enough money to buy 50 kilo rice worth ₹ 70.00 per kilogram. If cost of the rice is ₹ 10.00 more, then how much rice, he will be able to buy with that amount of money, is________.

Choices

Choice (4)Response

a.

40 Kg

b.

35 Kg

c.

42 Kg

d.

44 Kg

Question 535

Question

MCQ▾

Pipe A can fill an empty tank in 4 hours while pipe B can empty the full tank in 3 hours. If both are opened in the empty tank, time taken to empty it up completely is ________.

Choices

Choice (4)Response

a.

15 hours

b.

11 hours

c.

12 hours

d.

13 hours

Question 536

Question

MCQ▾

If , then is________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question 537

Question

MCQ▾

The weight of a 11 m long iron rod is 15 kg. The weight of 5 m long of such rod will be________.

Choices

Choice (4)Response

a.

8.5 kg

b.

8 kg

c.

6.5 kg

d.

6.8 kg