NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 631 - 638 of 2000

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Question number: 631

» Mathematics » Constructions

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Question

If the angles of a triangle are in the ratio 2: 3: 4 then the triangle is

Choices

Choice (4)Response

a.

Right angled

b.

Right angled isosceles

c.

Acute angled

d.

Obtuse angled

Question number: 632

» Mathematics » Constructions

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Question

The length of the hypotenuse of a right angled triangle whose two legs measure 24 cm and 0.07 m is

Choices

Choice (4)Response

a.

31 cm

b.

25 cm

c.

24.07 cm

d.

0.31 cm

Question number: 633

» Chemistry » The Nature of Matter

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Question

Smoke is a dispersion of ________.

Choices

Choice (4)Response

a.

A solid in gas

b.

A liquid in gas

c.

A gas in solid

d.

A gas in gas

Question number: 634

» Mathematics » Surface Areas & Volumes

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MCQ▾

Question

The volumes of two spheres are in the ratio 125: 64. Find the difference of their surface areas, if the sum of their radii is 9 units.

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 635

» Mathematics » Coordinate Geometry

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Question

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 636

» Mathematics » Number Systems

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Question

The rationalizing factor of is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 637

» Biology » Fundamentals Unit of Life

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MCQ▾

Question

Ideogram is

Choices

Choice (4)Response

a.

Total no. of chromosome

b.

Diagrammatic representation of chromosome

c.

Preparation of chromosomal set

d.

Identification of no. of chromosomes

Question number: 638

» Mathematics » Surface Areas & Volumes

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MCQ▾

Question

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

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