# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 476 - 484 of 1484

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## Question 476

MCQ▾

The roots of are

### Choices

Choice (4)Response

a.

-4 and -6

b.

4 only

c.

-6 and 4

d.

-6 only

## Question 477

### Question

MCQ▾

The cost of painting the TSA of cone at is ₹ 8.8. The volume of the cone its slant height being 25 cm is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 478

### Question

MCQ▾

If P = and Q = then ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 479

### Question

MCQ▾

A piece of metal pipe is 77 cm long with inside diameter of the cross section as 16 cm. If the outer diameter is 18 cm and the metal weighs the weight of pipe is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 480

### Question

MCQ▾

The AM between and is

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question 481

### Question

MCQ▾

If , , are in AP, then x must be equal to

### Choices

Choice (4)Response

a.

3

b.

c.

1

d.

8

## Question 482

### Question

MCQ▾

The values of ‘k’ for which the equation will have real and equal roots are

### Choices

Choice (4)Response

a.

-12 and 8

b.

12 and -8

c.

-5 and 15

d.

4 and -24

## Question 483

### Question

MCQ▾

Let and be the arithmetic progressions such that , and . Find the sum of the first two hundred terms of the progressions , …

### Choices

Choice (4)Response

a.

b.

200

c.

d.

## Question 484

### Question

MCQ▾

The point of intersection of X and Y axes is called

### Choices

Choice (4)Response

a.

Common point

b.

Origin

c.

Null point

d.

Question does not provide sufficient data or is vague

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