NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 320 - 325 of 2000

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Question number: 320

» Mathematics » Quadrilaterals

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MCQ▾

Question

Choose the correct statement.

Choices

Choice (4) Response

a.

The diagonals of a parallelogram are equal

b.

The diagonals of a rectangle are perpendicular to each other.

c.

If the diagonals of a quadrilateral intersect at right angles, it is not necessarily a rhombus.

d.

Every quadrilateral is either a trapezium or a parallelogram or a kite.

Question number: 321

» Mathematics » Quadrilaterals

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MCQ▾

Question

ABCD is a parallelogram in which diagonals intersect at O. If then

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 322

» Mathematics » Lines and Angles

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MCQ▾

Question

In a if and , then and are

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 323

» Chemistry » Matter

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MCQ▾

Question

Due to evaporation which process takes place?

Choices

Choice (4) Response

a.

Thermal expansion

b.

Cooling down

c.

Liquefaction

d.

All of the above

Question number: 324

» Chemistry » Matter

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Match-Triplets▾

Question

Find matching triplet:

Choices

Choice (4) Response

a.

Brass

Sulphur

Water

b.

Sulphur

Brass

Water

c.

Sulphur

Water

Brass

d.

Water

Sulphur

Brass

Question number: 325

» Mathematics » Triangles

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MCQ▾

Question

A, B, C are the three angles of a triangle. If , then are

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

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