NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 445 - 451 of 1484

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Question number: 445

» Mathematics » Trigonometry

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MCQ▾

Question

If and then = ________.

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

Question number: 446

» Mathematics » Polynomials

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MCQ▾

Question

The reciprocal of is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 447

» Mathematics » Quadratic Equations

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MCQ▾

Question

In the equation the roots are equal when

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 448

» Mathematics » Quadratic Equations

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MCQ▾

Question

In the equation , the sum of the roots is 4 and the product of the roots is -12. Then h and k have the value ________ respectively.

Choices

Choice (4) Response

a.

4 and -6

b.

2 and -3

c.

8 and -6

d.

4 and -12

Question number: 449

» Mathematics » Surface Area and Volumes

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MCQ▾

Question

A cylindrical vessel of diameter 18 cm has some water in it. A cylindrical iron piece of diameter 12 cm and height 9 cm is dropped in it. After it was completely immersed, the raise in the level of water is ________.

Choices

Choice (4) Response

a.

1 cm

b.

8 cm

c.

4 cm

d.

2 cm

Question number: 450

» Mathematics » Trigonometry

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MCQ▾

Question

= ________.

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 451

» Mathematics » Quadratic Equations

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MCQ▾

Question

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

Choices

Choice (4) Response

a.

- 11

b.

- 12

c.

13

d.

37

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