NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 526 - 532 of 1484

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Question number: 526

» Mathematics » Surface Area and Volumes

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MCQ▾

Question

Ratio of curved surface areas of two cylinders with equal radii and heights of 4 cm and 3 cm respectively is

Choices

Choice (4) Response

a.

4: 3

b.

9: 4

c.

16: 9

d.

All of the above

Question number: 527

» Mathematics » Surface Area and Volumes

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MCQ▾

Question

A cylindrical vessel of diameter 16 cm is partly filled with water. 75 lead balls are dropped in it. The raise in water level is 0.8 cm. The diameter of each ball is ________.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 528

» Mathematics » Quadratic Equations

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MCQ▾

Question

In the equation , the sum of the roots is -2 and the product of the roots is 3. Then h and k have the value ________ respectively.

Choices

Choice (4) Response

a.

10 and -1

b.

-5 and 3

c.

15 and -5

d.

-10 and 1

Question number: 529

» Mathematics » Polynomials

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MCQ▾

Question

is divisible by when ‘n’ is ________.

Choices

Choice (4) Response

a.

A natural number

b.

An odd number

c.

A prime number

d.

An even number

Question number: 530

» Mathematics » Polynomials

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MCQ▾

Question

How much is more than ?

Choices

Choice (4) Response

a.

8ab

b.

- 6ab

c.

- 8ab

d.

4ab

Question number: 531

» Mathematics » Trigonometry

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MCQ▾

Question

If then = ________.

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 532

» Mathematics » Arithmetic Progressions

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MCQ▾

Question

The three sides of a right triangles have integral lengths which form an arithmetic progression. One of the sides could have length

Choices

Choice (4) Response

a.

81

b.

41

c.

44

d.

53

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