# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 300 - 312 of 1022

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## Question number: 300

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MCQ▾

### Question

Step 1:

Step 2:

Step 3:

Are the above given steps showing simplification of algebraic expression

?

### Choices

Choice (4)Response

a.

Only step 1 and 2 are correct

b.

Only step 1 is correct

c.

No

d.

Yes

## Question number: 301

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MCQ▾

### Question

By selling a jug for Rs. 144, a man loses of his outlay. If it is sold for Rs. 189, what is the gain percent?

### Choices

Choice (4)Response

a.

50%

b.

25%

c.

30%

d.

12.5%

## Question number: 302

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MCQ▾

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 303

Edit
MCQ▾

### Question

Subtract the sum of and from 16 is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 304

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MCQ▾

### Question

The value of , if is ________.

### Choices

Choice (4)Response

a.

16

b.

- 16

c.

12

d.

- 12

## Question number: 305

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MCQ▾

### Question

A factor of is ________.

### Choices

Choice (4)Response

a.

4

b.

c.

d.

All a. , b. and c. are correct

## Question number: 306

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MCQ▾

### Question

The value of is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 307

Edit
MCQ▾

### Question

The value of is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 308

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MCQ▾

### Question

What is the value of at ?

### Choices

Choice (4)Response

a.

Discriminant

b.

0

c.

a

d.

## Question number: 309

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MCQ▾

### Question

The value of when and is ________.

### Choices

Choice (4)Response

a.

1380

b.

1208

c.

1108

d.

1080

## Question number: 310

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MCQ▾

### Question

If , then the value of is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 311

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MCQ▾

### Question

If , then the value of .

### Choices

Choice (4)Response

a.

60

b.

112

c.

102

d.

105

## Question number: 312

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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. 19,028

b.

Rs. 19,528

c.

Rs. 20,000

d.

Rs. 18,500

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