NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 40 - 42 of 2000

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Question number: 40

» Mathematics » Circles

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Question

As shown in the figure, ABC is a triangle inscribed in a circle with center O. If then is equal to

Circle c Circle c: Circle through B with center O Arc d Arc d: Semicircle through D and E Segment f Segment f: Segment [A, O] Segment g Segment g: Segment [O, B] Segment h Segment h: Segment [A, C] Segment i Segment i: Segment [C, B] Segment j Segment j: Segment [A, B] Point O O = (3.26,2.9) Point O O = (3.26,2.9) Point O O = (3.26,2.9) Point B B = (4.9,1.42) Point B B = (4.9,1.42) Point B B = (4.9,1.42) Point A Point A: Point on c Point A Point A: Point on c Point A Point A: Point on c Point C Point C: Point on c Point C Point C: Point on c Point C Point C: Point on c 35â° text1 = “35â°”

Image of Triangle ABC Inscribed in a Circle with Center O

Representing the image of triangle ABC inscribed in a circle with center O

Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

Question number: 41

» Biology » Fundamentals Unit of Life

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Question

Which of the following are not present in animal cell?

Choices

Choice (4) Response

a.

Cell wall, vacuoles, Cell plate

b.

Cell wall, Vacuoles, Centrioles

c.

Cell wall, Cell membrane, Vacuoles

d.

Cell membrane, Vacuoles, Centrioles

Question number: 42

» Mathematics » Circles

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MCQ▾

Question

The circumference of a circle is 80 cm. The length of an arc of is

Choices

Choice (4) Response

a.

160 cm

b.

20 cm

c.

5 cm

d.

40 cm

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