# NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 240 - 249 of 1484

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## Question 240

MCQ▾

= .

### Choices

Choice (4)Response

a.

True

b.

c.

False

d.

None of the above

## Question 241

### Question

MCQ▾

If and then is exactly divisible by ________.

### Choices

Choice (4)Response

a.

b.

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

## Question 242

### Question

MCQ▾

How much is less than ?

### Choices

Choice (4)Response

a.

- 2ab

b.

6ab

c.

4ab

d.

- 4ab

## Question 243

### Question

MCQ▾

If 6 times the 6th term of AP is equal to 10 times the 10th term, then 16th term in that AP is

### Choices

Choice (4)Response

a.

1

b.

0

c.

60

d.

Cannot be determined

## Question 244

### Question

MCQ▾

Solve the equation where is acute .

### Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

## Question 245

MCQ▾

Simplify .

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 246

### Question

MCQ▾

Express as a rational expression.

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 247

### Question

MCQ▾

If p and q are the rots of , then = ________.

### Choices

Choice (4)Response

a.

-5

b.

13

c.

5

d.

3

## Question 248

### Question

MCQ▾

Which of the following expression is a rational expression?

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question 249

### Question

MCQ▾

If ‘a’ is the AM of 3 numbers and ‘b’ is the AM of their squares, then the AM of their pair wise products in terms of a and b is

### Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

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