Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 765 - 767 of 989

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Question number: 765

» Mathematics » Surface Areas & Volumes

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Question

A top is of the shape of a cone over a hemisphere. The radius of the hemisphere is 10 cm. The total height of the top is 34 cm. The total area of top is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 766

» Mathematics » Statistics

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The mean of all factors of 48 is

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Choice (4)Response

a.

14.2

b.

21.4

c.

12.4

d.

12

Question number: 767

» Mathematics » Lines and Angles

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From the adjoining figure the value of is

Arc cArc c: Semicircle through F and GArc dArc d: Semicircle through G and HArc eArc e: Semicircle through I and FSegment fSegment f: Segment [A, B] Segment gSegment g: Segment [C, D] Segment hSegment h: Segment [C, E] Point AA = (-0.46,0.54) Point AA = (-0.46,0.54) Point AA = (-0.46,0.54) Point BB = (6.46,0.52) Point BB = (6.46,0.52) Point BB = (6.46,0.52) Point CPoint C: Point on fPoint CPoint C: Point on fPoint CPoint C: Point on fPoint DD = (0.22,2.76) Point DD = (0.22,2.76) Point DD = (0.22,2.76) Point EE = (4.06,3.72) Point EE = (4.06,3.72) Point EE = (4.06,3.72) xâ°text1 = “xâ°”2xâ°text1_1 = “2xâ°”3xâ°text1_2 = “3xâ°”

Image of Three Adjoining Angles Making a Straight Angle

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Choice (4)Response

a.

b.

c.

d.

None of the above

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