# IMO- Mathematics Olympiad Class 7: Questions 309 - 315 of 1012

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## Question number: 309

MCQ▾

### Question

The value of when and is ________.

### Choices

Choice (4) Response

a.

1108

b.

1208

c.

1080

d.

1380

## Question number: 310

MCQ▾

### Question

If , then the value of is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 311

MCQ▾

### Question

If , then the value of .

### Choices

Choice (4) Response

a.

112

b.

60

c.

105

d.

102

## Question number: 312

MCQ▾

### Question

Salary of an officer increases every year by 20%. His salary in the year 2001 was Rs. 26640. What was his salary in 1999?

### Choices

Choice (4) Response

a.

Rs. 19, 528

b.

Rs. 18, 500

c.

Rs. 20, 000

d.

Rs. 19, 028

## Question number: 313

MCQ▾

### Question

The value of is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 314

MCQ▾

### Question

In an election between two candidates, the candidate who gets 45 % of the votes polled is defeated by 7, 500 votes. What is the number of votes polled by the winning candidates?

### Choices

Choice (4) Response

a.

35, 000

b.

41, 250

c.

75, 000

d.

31, 250

## Question number: 315

MCQ▾

### Question

P can do a piece of work in 9 days. Q is 50 % more efficient than P. The number of days it takes Q to do the same piece of work is ________.

### Choices

Choice (4) Response

a.

6

b.

c.

d.

3

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