NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 114 - 118 of 2000

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Question number: 114

» Mathematics » Circles

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MCQ▾

Question

AB is a chord of a circle with center O and radius 13 cm. If and . Find the length of chord AB.

Choices

Choice (4) Response

a.

24 cm

b.

8 cm

c.

12 cm

d.

48 cm

Question number: 115

» Chemistry » Matter

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Question

We can see the zig zag movement of dust particles in sun light. This motion is called:

Choices

Choice (4) Response

a.

Circular motion

b.

Brownian motion

c.

Linear motion

d.

Curved motion

Question number: 116

» Biology » Fundamentals Unit of Life

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MCQ▾

Question

Plasma membrane is ________

Choices

Choice (4) Response

a.

Permeable

b.

Permeable for water only

c.

Impermeable

d.

Selectively permeable

Question number: 117

» Mathematics » Quadrilaterals

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MCQ▾

Question

In a trapezium ABCD, . If , then ?

Choices

Choice (4) Response

a.

80°

b.

15°

c.

d.

105°

Question number: 118

» Mathematics » Lines and Angles

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MCQ▾

Question

In the figure, and . If the exterior angle CAX is then the angle HCK is

Triangle poly1 Triangle poly1: Polygon A, B, C Arc d Arc d: Semicircle through D and E Segment c Segment c: Segment [A, B] of Triangle poly1 Segment a Segment a: Segment [B, C] of Triangle poly1 Segment b Segment b: Segment [C, A] of Triangle poly1 Segment f Segment f: Segment [H, K] Segment g Segment g: Segment [H, C] Segment h Segment h: Segment [A, X] Point A A = (-1.66,2) Point A A = (-1.66,2) Point A A = (-1.66,2) Point B B = (-3.38, -1.48) Point B B = (-3.38, -1.48) Point B B = (-3.38, -1.48) Point C C = (0.3, -1.5) Point C C = (0.3, -1.5) Point C C = (0.3, -1.5) Point H Point H: Point on c Point H Point H: Point on c Point H Point H: Point on c Point K Point K: Point on b Point K Point K: Point on b Point K Point K: Point on b Point X X = (-0.96,3.38) Point X X = (-0.96,3.38) Point X X = (-0.96,3.38) 130â° text1 = “130â°”

Image of a Triangle ABC in Which AB = AC, CH = CB and HK∥BC

Representing the image of a triangle ABC in which AB = AC, CH = CB and HK∥BC

Choices

Choice (4) Response

a.

b.

c.

d.

Developed by: