NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 227 - 233 of 1484

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Question number: 227

» Mathematics » Arithmetic Progressions

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MCQ▾

Question

The sum of 15 terms of is

Choices

Choice (4) Response

a.

log120

b.

240. log5

c.

120. log5

d.

log15

Question number: 228

» Mathematics » Trigonometry

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Question

If then =

Choices

Choice (4) Response

a.

4

b.

- 4

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

Question number: 229

» Mathematics » Arithmetic Progressions

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MCQ▾

Question

The measures of the interior angles of a convex polygon are in AP. If the smallest angle is and the largest angle is , then the number of sides of the polygon is

Choices

Choice (4) Response

a.

7

b.

11

c.

5

d.

9

Question number: 230

» Mathematics » Coordinate Geometry

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Question

and are three vertices of the parallelogram ABCD. The coordinates of the fourth vertex is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 231

» Mathematics » Arithmetic Progressions

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MCQ▾

Question

The 8th term of an AP is 16 and the 15th term is 58. Then the second term is

Choices

Choice (4) Response

a.

-26

b.

42

c.

18

d.

-20

Question number: 232

» Mathematics » Arithmetic Progressions

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MCQ▾

Question

If the sum of the first p terms of an AP is the same as the sum of its first q terms (where ), then the sum of its first terms is

Choices

Choice (4) Response

a.

1

b.

0

c.

d.

pq

Question number: 233

» Mathematics » Quadratic Equations

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MCQ▾

Question

The roots of are

Choices

Choice (4) Response

a.

1,2 and 3

b.

3

c.

0 and 3

d.

0, -1, -2 and 3

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