# IMO- Mathematics Olympiad Class 9: Questions 835 - 839 of 919

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## Question number: 835

MCQ▾

### Question

Find the figure that contains the fig (X) as its embedded part.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 836

MCQ▾

### Question

The cost of a note book is twice the cost of a pen. If the cost of a note book is ‘x’ and that of a pen is ‘y’, then a linear equation in two variables to represent is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 837

MCQ▾

### Question

In figure, if , then

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 838

MCQ▾

### Question

The compound interest on Rs. 100000 at per annum for 2 years 3 months, compound annually is ________

### Choices

Choice (4) Response

a.

Rs. 100000

b.

Rs. 251200

c.

Rs. 151200

d.

Rs. 51200

## Question number: 839

MCQ▾

### Question

If 20 men working 5 hours a day for 10 days can complete a job, how many men working 10 hours a day for 5 days will be needed?

### Choices

Choice (4) Response

a.

20

b.

50

c.

25

d.

65

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