NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 551 - 559 of 2000

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Question number: 551

» Mathematics » Statistics

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MCQ▾

Question

If the arithmetic mean of 8,12,15,21, x, 25 is 15, then x is

Choices

Choice (4) Response

a.

4

b.

9

c.

18

d.

11

Question number: 552

» Mathematics » Surface Areas & Volumes

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MCQ▾

Question

Three cylinders each of height 32 cm and radius of base 2 cm are placed on a plane so that each cylinder touches the other two. Then the volume of region enclosed between the three cylinders in is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 553

» Mathematics » Number Systems

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MCQ▾

Question

The equivalent rational form of is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 554

» Chemistry » The Nature of Matter

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MCQ▾

Question

Milk is ________ type of colloidal solution.

Choices

Choice (4) Response

a.

Emulsion

b.

Suspension

c.

Sol

d.

Foam

Question number: 555

» Chemistry » The Nature of Matter

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MCQ▾

Question

Air is ________

Choices

Choice (4) Response

a.

An element

b.

A compound

c.

A mixture

d.

None of the above

Question number: 556

» Biology » Fundamentals Unit of Life

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MCQ▾

Question

Monocentric chromosome has

Choices

Choice (4) Response

a.

Four centromere

b.

Three centromere

c.

Two centromere

d.

One centromere

Question number: 557

» Biology » Fundamentals Unit of Life

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MCQ▾

Question

Most stable form of DNA is

Choices

Choice (4) Response

a.

B form

b.

Z form

c.

A form

d.

Question does not provide sufficient data or is vague

Question number: 558

» Mathematics » Number Systems

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MCQ▾

Question

The rationalizing factor of is

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 559

» Mathematics » Constructions

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MCQ▾

Question

The angles in a right angled triangle other than the right angle are

Choices

Choice (4) Response

a.

Obtuse

b.

Right

c.

Acute

d.

All of the above

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