# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 277 - 283 of 1484

Access detailed explanations (illustrated with images and videos) to 1484 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 500.00 or

How to register?

## Question number: 277

Edit
MCQ▾

### Question

If and then = ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

## Question number: 278

Edit
MCQ▾

### Question

The ratio by which divides the join of and is ________.

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 279

Edit
MCQ▾

### Question

The sum of ‘n’ terms of an AP is . Then the nth term is

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 280

Edit
MCQ▾

= ________.

### Choices

Choice (4) Response

a.

1

b.

-1

c.

0

d.

All of the above

## Question number: 281

Edit
MCQ▾

Simplify:

### Choices

Choice (4) Response

a.

b.

1

c.

d.

Question does not provide sufficient data or is vague

## Question number: 282

Edit
MCQ▾

### Question

If P = , Q = and R = then the value of is

### Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

## Question number: 283

Edit
MCQ▾

### Question

Which of the following expression is a rational expression?

### Choices

Choice (4) Response

a.

b.

c.

d.

Developed by: