NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 260 - 262 of 2000

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Question number: 260

» Mathematics » Lines and Angles

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MCQ▾

Question

Complementary angle of is

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Choice (4)Response

a.

b.

c.

d.

Question number: 261

» Chemistry » Matter

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Question

The particles of a substance were arranged in a regular pattern and closely to each other, after gaining energy regular ordered structure changes to a random order structure with a very large distance between particles and least attraction force. Which Change of state is described by this?

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Choice (4)Response

a.

Sublimation

b.

Boiling

c.

Evaporation

d.

Melting

Question number: 262

» Mathematics » Circles

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In the following figure, find the value of x.

Circle cCircle c: Circle through B with center OArc dArc d: Semicircle through D and EArc eArc e: Semicircle through F and GSegment fSegment f: Segment [A, O] Segment gSegment g: Segment [O, B] Segment hSegment h: Segment [A, C] Segment iSegment i: Segment [C, B] Point OO = (3.26,2.9) Point OO = (3.26,2.9) Point OO = (3.26,2.9) Point BB = (4.74,1.18) Point BB = (4.74,1.18) Point BB = (4.74,1.18) Point APoint A: Point on cPoint APoint A: Point on cPoint APoint A: Point on cPoint CPoint C: Point on cPoint CPoint C: Point on cPoint CPoint C: Point on c132â°text1 = “132â°”xâ°text1_1 = “xâ°”

Image of a Circle Having an Angle Subtended by an Arc

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Choice (4)Response

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b.

c.

d.

Question does not provide sufficient data or is vague

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