Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 541 - 547 of 989

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Question number: 541

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Question

MCQ▾

The point (3, -2) belongs to Quadrant ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 542

Mathematics
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Question

MCQ▾

The rationalizing factor of is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 543

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Question

MCQ▾

A metallic right circular cone of height 18 cm and base radius 14 cm is melted into a cuboid whose two sides are 22 cm and 12 cm. What is the third side of the cuboid?

Choices

Choice (4)Response

a.

12 cm

b.

28 cm

c.

14 cm

d.

7 cm

Question number: 544

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Question

MCQ▾

The area of the base of a cone is 308 sq cm. Its height is 24 cm. Then its total surface area is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 545

Mathematics
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Question

MCQ▾

If a and b are two rational numbers, then which of the following statements is wrong?

Choices

Choice (4)Response

a.

b.

c.

d.

None of the above

Question number: 546

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Question

MCQ▾

The ratio of the volume and curved surface area of a cylinder of unit radius and unit height

Choices

Choice (4)Response

a.

2: 3

b.

2: 1

c.

1: 2

d.

3: 2

Question number: 547

Mathematics
Edit

Question

MCQ▾

The average weight of sample of 8 mangoes is 58 g. Later it was found that the weighing machine had shown the weight of each mango 3 g more. The correct average weight of a mango is

Choices

Choice (4)Response

a.

61 g

b.

55 g

c.

66 g

d.

50 g