NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 339 - 341 of 2000

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Question number: 339

» 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

In the above figure and are called

Choices

Choice (4)Response

a.

Vertically opposite

b.

Corresponding

c.

Alternate

d.

None of the above

Question number: 340

» Chemistry » Matter

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Low humidity in the atmosphere will ________

Choices

Choice (4)Response

a.

Increase the rate of evaporation

b.

Decrease the rate of evaporation

c.

Cannot say

d.

No effect on rate of evaporation

Question number: 341

» Mathematics » Circles

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In the figure given below O is the center of the circle. Line AB intersects the circle only at point B and line DC intersects the circle only at point C. If the circle has a radius of 5 cm, then AC is

Circle cCircle c: Circle through B with center OArc dArc d: Semicircle through G and HSegment fSegment f: Segment [A, C] Segment gSegment g: Segment [C, D] Segment hSegment h: Segment [A, E] Segment iSegment i: Segment [C, F] Point OO = (5.58, -0.68) Point OO = (5.58, -0.68) Point OO = (5.58, -0.68) Point BB = (5.58,1.74) Point BB = (5.58,1.74) Point BB = (5.58,1.74) Point AA = (2.94,1.78) Point AA = (2.94,1.78) Point AA = (2.94,1.78) Point CPoint C: Point on cPoint CPoint C: Point on cPoint CPoint C: Point on cPoint DD = (5.66, -3.86) Point DD = (5.66, -3.86) Point DD = (5.66, -3.86) 45â°text1 = “45â°”

Image of a Circle with Two Tangents at Different Two Points

Choices

Choice (4)Response

a.

b.

c.

10 cm

d.

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