# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 540 - 545 of 1484

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## Question number: 540

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MCQ▾

### Question

The ratio of base radius and height of a cone is 3: 4. If the cost of smoothening the CSA at is 462 Rs. Then volume of liquid is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 541

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MCQ▾

### Question

The sum of all numbers between 200 and 300 which are divisible by 5 is

### Choices

Choice (4) Response

a.

3590

b.

1995

c.

2850

d.

4750

## Question number: 542

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MCQ▾

### Question

The area of the base of a cone is 2464 sq cm. Its height is 45 cm. Then its total surface area is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 543

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MCQ▾

### Question

If the sequence is defined by , , then equals

### Choices

Choice (4) Response

a.

10100

b.

9902

c.

9900

d.

9901

## Question number: 544

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MCQ▾

### Question

A piece of metal pipe is 11 cm long with inside diameter of the cross section as 4 cm. If the outer diameter is 4.5 cm and the metal weighs the weight of pipe is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 545

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MCQ▾

### Question

A top is of the shape of a cone over a hemisphere. The radius of the hemisphere is 7 cm. The total height of the top is 31 cm. The total area of top is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

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