NSTSE (National Science Talent Search Exam- Unified Council) Class 9: Questions 254 - 256 of 2000

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Question number: 254

» Mathematics » Circles

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MCQ▾

Question

In the given figure, AOB and COD are two diameters of a circle with center O. If . Find .

Circle cCircle c: Circle through B with center OArc dArc d: Semicircle through E and FSegment fSegment f: Segment [B, A] Segment gSegment g: Segment [A, C] Segment hSegment h: Segment [C, D] Segment iSegment i: Segment [D, B] Point OO = (3.3,2.58) Point OO = (3.3,2.58) Point OO = (3.3,2.58) Point BB = (5.3,1.66) Point BB = (5.3,1.66) Point BB = (5.3,1.66) 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 cPoint DPoint D: Point on cPoint DPoint D: Point on cPoint DPoint D: Point on c60â°text1 = “60â°”

Image of a Circle with Two Diameters AOB and COD

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 255

» Mathematics » Lines and Angles

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Question

At 9 O’clock the angle formed between the hands of a clock is

Choices

Choice (4)Response

a.

Reflex angle

b.

Acute angle

c.

Right angle

d.

Straight angle

Question number: 256

» Mathematics » Areas of Parallelograms and Triangles

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Question

The area of a rhombus is . If one of its diagonals is 5 cm, the other diagonal is ________.

Choices

Choice (4)Response

a.

15 cm

b.

10 cm

c.

12 cm

d.

7 cm

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