# IMO Level 1- Mathematics Olympiad (SOF) Class 7: Questions 320 - 328 of 1022

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## Question number: 320

Edit
MCQ▾

### Question

The value of x in is ________.

### Choices

Choice (4) Response

a.

0

b.

- 1

c.

1

d.

2

## Question number: 321

Edit
Match List-Ⅰ List-Ⅱ▾

### Question

Match the reciprocal of each of the following in exponential form.

 List-Ⅰ List-Ⅱ (A) (i) (B) (ii) (C) (iii) (D) (iv)

### Choices

Choice (4) Response
• (A)
• (B)
• (C)
• (D)

a.

• (ii)
• (i)
• (iv)
• (iii)

b.

• (i)
• (iv)
• (iii)
• (ii)

c.

• (ii)
• (iii)
• (iv)
• (i)

d.

• (iii)
• (ii)
• (iv)
• (i)

## Question number: 322

Edit
MCQ▾

### Question

The value of is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 323

Edit
MCQ▾

Simplify .

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 324

Edit
MCQ▾

### Question

If , then the value of is ________.

### Choices

Choice (4) Response

a.

11

b.

c.

10

d.

## Question number: 325

Edit
MCQ▾

### Question

The CP of 30 books is equal to the SP of 25 books. The gain % is ________.

### Choices

Choice (4) Response

a.

30%

b.

25%

c.

50%

d.

20%

## Question number: 326

Edit
MCQ▾

### Question

The value of 20 coins of 25 p and 50 p is Rs. 7.50. The number of 25 p coins is ________.

### Choices

Choice (4) Response

a.

8

b.

10

c.

5

d.

12

## Question number: 327

Edit
MCQ▾

### Question

The value of is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 328

Edit
MCQ▾

### Question

If , then will be ________.

### Choices

Choice (4) Response

a.

0.78

b.

0.1521

c.

1

d.

0.39