# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 425 - 433 of 1484

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## Question number: 425

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MCQ▾

### Question

If the nth term of an AP is , then the sum of the ‘n’ terms = ________.

### Choices

Choice (4)Response

a.

Cannot be determined

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 426

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MCQ▾

### Question

What should be subtracted from to get ?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 427

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MCQ▾

The equation has

### Choices

Choice (4)Response

a.

Two real roots

b.

One real root

c.

Two imaginary roots

d.

One real and one imaginary root

## Question number: 428

Edit
MCQ▾

### Question

If A = then = ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 429

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MCQ▾

If then =

### Choices

Choice (4)Response

a.

3

b.

- 3

c.

Both a. and b. are correct

d.

None of the above

## Question number: 430

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MCQ▾

### Question

One end of a diameter of a circle is and the center is . The coordinates of the other end is ________.

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question number: 431

Edit
MCQ▾

If and then

### Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

## Question number: 432

Edit
MCQ▾

### Question

The sum of reciprocal of the roots of the equation is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 433

Edit
MCQ▾

### Question

The point (3,4) is at a distance of ________ units from X-axis.

### Choices

Choice (4)Response

a.

7 units

b.

4 units

c.

3 units

d.

None of the above

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