NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 617 - 623 of 2000

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Question number: 617

» Mathematics » Triangles

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MCQ▾

Question

In a , if and then the shortest and the largest sides of the triangle are

Choices

Choice (4) Response

a.

AB, BC

b.

AB, AC

c.

BC, AC

d.

All of the above

Question number: 618

» Mathematics » Constructions

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MCQ▾

Question

In a , if is a right angle, then the longest side is

Choices

Choice (4) Response

a.

AB

b.

CA

c.

BC

d.

None of the above

Question number: 619

» Mathematics » Surface Areas & Volumes

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MCQ▾

Question

The height of a cone is 18 cm. A small cone is cut off at the top by a plane parallel to the base. If its volume is the volume of cone, the height at which the section is made is ________.

Choices

Choice (4) Response

a.

6.63 cm

b.

12.48 cm

c.

5.52 cm

d.

12 cm

Question number: 620

» Mathematics » Number Systems

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MCQ▾

Question

A rational number

Choices

Choice (4) Response

a.

Lies to the left side of 0 on the number line

b.

Lies to the right side of 0 on the number line

c.

It is not possible to represent on the number line

d.

Cannot be determined on which side the number lies

Question number: 621

» Mathematics » Probability

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MCQ▾

Question

The probability that in a family of 3 children, there will be at least two boys is

Choices

Choice (4) Response

a.

b.

c.

2

d.

Question number: 622

» Mathematics » Polynomials

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MCQ▾

Question

If , then n = ________.

Choices

Choice (4) Response

a.

b.

7x

c.

d.

Question does not provide sufficient data or is vague

Question number: 623

» Mathematics » Surface Areas & Volumes

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MCQ▾

Question

The edge of a cube is 40 cm. How many small cubes of 10 cm edge can be formed from this cube?

Choices

Choice (4) Response

a.

28

b.

32

c.

64

d.

16

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