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 c Circle c: Circle through J with center I Circle c_1 Circle c_1: Circle through J_1 with center I_1 Segment f Segment f: Segment [A, B] Segment g Segment g: Segment [C, D] Segment h Segment h: Segment [E, F] 1 text1 = “1” 2 text1_1 = “2” 3 text1_2 = “3” 4 text1_3 = “4” 5 text1_4 = “5” 6 text1_5 = “6” 7 text1_6 = “7” 8 text1_7 = “8” l text1_8 = “l” m text1_9 = “m” n text1_ {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.

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 c Circle c: Circle through B with center O Arc d Arc d: Semicircle through G and H Segment f Segment f: Segment [A, C] Segment g Segment g: Segment [C, D] Segment h Segment h: Segment [A, E] Segment i Segment i: Segment [C, F] Point O O = (5.58, -0.68) Point O O = (5.58, -0.68) Point O O = (5.58, -0.68) Point B B = (5.58,1.74) Point B B = (5.58,1.74) Point B B = (5.58,1.74) Point A A = (2.94,1.78) Point A A = (2.94,1.78) Point A A = (2.94,1.78) Point C Point C: Point on c Point C Point C: Point on c Point C Point C: Point on c Point D D = (5.66, -3.86) Point D D = (5.66, -3.86) Point D D = (5.66, -3.86) 45â° text1 = “45â°”

Image of a Circle with Two Tangents at Different Two Points

Representing the image of a circle with two tangents at two different points

Choices

Choice (4) Response

a.

b.

c.

10 cm

d.

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