# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 530 - 537 of 1040

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## Question number: 530

Edit
MCQ▾

### Question

If and , then is equal to________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 531

Edit
MCQ▾

### Question

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 number: 532

Edit
MCQ▾

### Question

The standard form of 0.00005 is________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 533

Edit
MCQ▾

### Question

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 number: 534

Edit
MCQ▾

### Question

A grocer has just enough money to buy 50 kilo rice worth Rs. 70.00 per kilogram. If cost of the rice is Rs. 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 number: 535

Edit
MCQ▾

### Question

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 number: 536

Edit
MCQ▾

### Question

If , then is________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 537

Edit
MCQ▾

### Question

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

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