# NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 422 - 426 of 1732

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## Question number: 422

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MCQ▾

Simplify

### Choices

Choice (4) Response

a.

b.

3

c.

1

d.

6

## Question number: 423

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MCQ▾

### Question

A man purchased a bag of rice containing 50 kg for Rs. 150. He sold it at the rate of Rs. 3.25 per kg. Find the profit or less %.

### Choices

Choice (4) Response

a.

gain

b.

12 % gain

c.

loss

d.

6 % loss

## Question number: 424

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MCQ▾

### Question

If the radii of two concentric circles are 20 cm and 36 cm respectively, then the area of the circulating ring in sq cm will be

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 425

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MCQ▾

### Question

A milkman borrowed Rs. 2000 from two moneylenders. For one loan, he paid 10 % p. a. and for the other, he paid 12 % p. a. The total interest paid after two years was Rs. 500. Calculate the money he borrowed at 12 % interest?

### Choices

Choice (4) Response

a.

2500 Rs.

b.

3500 Rs.

c.

1500 Rs.

d.

2000 Rs.

## Question number: 426

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MCQ▾

### Question

In the figure given below, find .

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

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