NSTSE (National Science Talent Search Exam- Unified Council) Class 8: Questions 918 - 920 of 2028

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Question number: 918

» Mathematics » Mensuration

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Question

In the figure below, BCDE is a square inscribed in a circle with center A and radius r. The total area of shaded region is:

Quadrilateral poly1 Quadrilateral poly1: Polygon B, C, D, E Circle c Circle c: Circle through B with center A Segment b Segment b: Segment [B, C] of Quadrilateral poly1 Segment c_1 Segment c_1: Segment [C, D] of Quadrilateral poly1 Segment d Segment d: Segment [D, E] of Quadrilateral poly1 Segment e Segment e: Segment [E, B] of Quadrilateral poly1 Segment f Segment f: Segment [C, E] Point A A = (0.12,2.68) Point A A = (0.12,2.68) Point A A = (0.12,2.68) Point B B = (1.74,0.92) Point B B = (1.74,0.92) Point B B = (1.74,0.92) Point C Point C: Point on c Point C Point C: Point on c Point C Point C: Point on c Point D Point D: Point on c Point D Point D: Point on c Point D Point D: Point on c Point E Point E: Point on c Point E Point E: Point on c Point E Point E: Point on c r text1 = “r”

Image of a Square BCDE Inscribed in a Circle

Representing an image of a square BCDE inscribed in a circle

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Choice (4) Response

a.

b.

c.

d.

Question number: 919

» Mathematics » Algebraic Expressions and Identities

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The value of is:

Choices

Choice (4) Response

a.

b.

c.

d.

All of the above

Question number: 920

» Mathematics » Comparing Quantities

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The discount percentage is 20 % what is the fraction multiplied with marked price to find selling price?

Choices

Choice (4) Response

a.

b.

c.

d.

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