NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 315 - 319 of 2000

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Question number: 315

» Mathematics » Circles

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MCQ▾

Question

A chord of a circle is 80 cm in length and its distance from the center is 9 cm. Find the length of the chord of the same circle which is at a distance of 40 cm from the center.

Choices

Choice (4)Response

a.

18 cm

b.

36 cm

c.

9 cm

d.

20 cm

Question number: 316

» Mathematics » Lines and Angles

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MCQ▾

Question

Can 5 cm, 7 cm, 3 cm form a triangle?

Choices

Choice (4)Response

a.

Yes

b.

No

c.

Sometimes

d.

All of the above

Question number: 317

» Mathematics » Lines and Angles

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MCQ▾

Question

At 6 O’clock the angle formed between the hands of a clock is

Choices

Choice (4)Response

a.

Obtuse angle

b.

Right angle

c.

Acute angle

d.

Straight angle

Question number: 318

» Mathematics » Lines and Angles

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MCQ▾

Question

If two lines l and m are perpendicular to each other then they are symbolically written as

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 319

» Mathematics » Lines and Angles

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MCQ▾

Question

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] 1text1 = “1”2text1_1 = “2”3text1_2 = “3”4text1_3 = “4”5text1_4 = “5”6text1_5 = “6”7text1_6 = “7”8text1_7 = “8”ltext1_8 = “l”mtext1_9 = “m”ntext1_ {10} = “n”

Image of a Transversal with a Pair of Lines Forming 8 Angles

Representing the image of a transversal with a pair of lines forming 8 angles

In the above figure and are called

Choices

Choice (4)Response

a.

Corresponding

b.

Alternate

c.

Vertically opposite

d.

All of the above

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