Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 593 - 599 of 989

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Question number: 593

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Question

MCQ▾

From a circle of radius 40 cm a sector with angle is cut out and its bounding radii are bent so as to form a cone. Then its volume is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 594

Mathematics
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Question

MCQ▾

Two dice are thrown at a time. The probability that the difference of the numbers shown on the dice is 5 is

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 595

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Question

MCQ▾

A hollow sphere of internal and external diameters 12 cm and 16 cm respectively is melted into a cone of base diameter 14 cm. Find the height of the cone.

Choices

Choice (4)Response

a.

48.4 cm

b.

12.1 cm

c.

19.5 cm

d.

24.2 cm

Question number: 596

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Question

MCQ▾

Liquid is full in a hemisphere of inner diameter 12 cm. This is to be poured into cylindrical bottles of diameter 6 cm and height 2 cm. The numbers of bottles required are ________.

Choices

Choice (4)Response

a.

48

b.

12

c.

24

d.

6

Question number: 597

Mathematics
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Question

MCQ▾

The factors of are:

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 598

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Question

MCQ▾

The radius of a cylinder whose internal surface area is 352 and height 4 cm is

Choices

Choice (4)Response

a.

14 cm

b.

7 cm

c.

3.5 cm

d.

28 cm

Question number: 599

Mathematics
Edit

Question

MCQ▾

The sum of rational and irrational number is always

Choices

Choice (4)Response

a.

Rational

b.

Irrational

c.

Question does not provide sufficient data or is vague

d.

All of the above