NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 188 - 192 of 2000

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Question number: 188

» Mathematics » Lines and Angles

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Question

In the figure . Then

Circle cCircle c: Circle through J with center ICircle c_1Circle c_1: Circle through J_1 with center I_1Segment fSegment f: Segment [A, B] Segment gSegment g: Segment [C, D] Segment hSegment h: Segment [E, F] a = 105â°text1_1 = “a = 105â°”btext1_3 = “b”ctext1_7 = “c”ltext1_8 = “l”mtext1_9 = “m”ntext1_ {10} = “n”

Image of a Transversal with a Pair of Lines Forming Angle 105

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 189

» Mathematics » Quadrilaterals

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A quadrilateral in which diagonals are equal and bisect each other perpendicularly in a ________.

Choices

Choice (4)Response

a.

Rectangle which is not a square

b.

Rhombus which is not a square

c.

Square

d.

All of the above

Question number: 190

» Chemistry » Matter

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Question

What is density of a substance?

Choices

Choice (4)Response

a.

Product of mass and volume

b.

Ratio of mass and temperature

c.

Ratio of mass and volume

d.

Product of mass and temperature

Question number: 191

» Mathematics » Lines and Angles

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Question

A rotating ray after making a complete rotation coincides with its initial position. The angle formed is

Choices

Choice (4)Response

a.

Right angle

b.

Reflex angle

c.

Complete angle

d.

Straight angle

Question number: 192

» Mathematics » Circles

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AB is a chord of a circle of radius 4.2 cm and P is a point on it which divided it into two parts in the ratio 7: 9. If P is 3.8 cm distant from the center O, the length of AB is

Choices

Choice (4)Response

a.

5.44 cm

b.

8 cm

c.

1.36 cm

d.

2.72 cm

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