NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 679 - 684 of 2000

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Question number: 679

» Mathematics » Probability

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MCQ▾

Question

In a single throw of two dice, the probability of getting a sum of 4 is

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 680

» Mathematics » Number Systems

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MCQ▾

Question

Which of the following statements is true?

Choices

Choice (4)Response

a.

The reciprocals 1 and -1 are themselves

b.

Zero has no reciprocal

c.

The product of two rational numbers is a rational number

d.

All a. , b. and c. are correct

Question number: 681

» Mathematics » Surface Areas & Volumes

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Question

Instead of walking along two adjacent sides of a rectangular field, a boy took a short cut along the diagonal and saved a distance equal to half the longer side. Then the ratio of the shorter side to the longer side is:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 682

» Mathematics » Number Systems

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MCQ▾

Question

Out of the rational number , , , which is smaller?

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 683

» Chemistry » The Nature of Matter

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MCQ▾

Question

Which of the following statements is not correct?

Choices

Choice (4)Response

a.

The space between the particles of a gas are the largest

b.

The solid state is the most compact state of matter.

c.

The particles of gas move in a zig-zag manner

d.

Matter is continuous in nature

Question number: 684

» Mathematics » Linear Equations in Two Variables

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MCQ▾

Question

The equation of the line parallel to x-axis is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

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