Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 611 - 617 of 989

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Question number: 611

» Mathematics » Surface Areas & Volumes

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MCQ▾

Question

A hemispherical bowl is made of steel of 0.5 cm thickness. The inner radius of the bowl is 18 cm. The volume of steel used is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 612

» Mathematics » Number Systems

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MCQ▾

Question

The product of a rational number and its reciprocal is

Choices

Choice (4)Response

a.

0

b.

-1

c.

1

d.

All of the above

Question number: 613

» Mathematics » Linear Equations in Two Variables

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MCQ▾

Question

The equation of x-axis is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question number: 614

» Mathematics » Circles

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MCQ▾

Question

A chord of a circle is 12 cm in length and its distance from the center is 8 cm. Find the length of the chord of the same circle which is at a distance of 6 cm from the center.

Choices

Choice (4)Response

a.

16 cm

b.

24 cm

c.

18 cm

d.

30 cm

Question number: 615

» Mathematics » Surface Areas & Volumes

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MCQ▾

Question

A cuboidal metal of dimensions was melted and cast into a cylinder of height 28 cm. Its radius is ________.

Choices

Choice (4)Response

a.

15 cm

b.

11 cm

c.

7.5 cm

d.

Question does not provide sufficient data or is vague

Question number: 616

» Mathematics » Probability

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MCQ▾

Question

From a normal pack of cards, a card is drawn at random. The probability of getting a queen or a king is

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 617

» Mathematics » Polynomials

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MCQ▾

Question

is having

Choices

Choice (4)Response

a.

6 factors

b.

8 factors

c.

4 factors

d.

Question does not provide sufficient data or is vague

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