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

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Question 240

Question

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

Question

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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