# IMO Level 1- Mathematics Olympiad (SOF) Class 8: Questions 536 - 544 of 1030

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## Question number: 536

MCQ▾

### Question

If , then is________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 537

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.

6.5 kg

c.

6.8 kg

d.

8 kg

## Question number: 538

MCQ▾

### Question

The ratio of boys and girls in a school of 650 students is. How many boys should be admitted to make ratio?

### Choices

Choice (4) Response

a.

140

b.

130

c.

150

d.

120

## Question number: 539

MCQ▾

The value of

### Choices

Choice (4) Response

a.

7

b.

1

c.

5

d.

6

## Question number: 540

MCQ▾

### Question

The value of is ________.

### Choices

Choice (4) Response

a.

100

b.

200

c.

800

d.

400

## Question number: 541

MCQ▾

### Question

The ratio which bears to is________.

### Choices

Choice (4) Response

a.

1.50

b.

1.65

c.

1.68

d.

1.78

## Question number: 542

MCQ▾

### Question

If and, then the value of is ________.

### Choices

Choice (4) Response

a.

10

b.

6

c.

8

d.

9

## Question number: 543

MCQ▾

### Question

A sum of money is sufficient to pay wages for 25 days and wages for 25 days. The same money is sufficient to pay the wages of both for ________.

### Choices

Choice (4) Response

a.

11 days

b.

days

c.

10 days

d.

12 days

## Question number: 544

MCQ▾

### Question

A bag contains 25 paise, 10 paise and 5 paise coins in the ratio 1: 4: 5. If their total value is Rs. 90, the number of 10 paise coins is ________.

### Choices

Choice (4) Response

a.

400

b.

500

c.

800

d.

600