Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 638 - 639 of 989

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Question 638

Mathematics
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Question

MCQ▾

In the following figure if PQ = PR then find .

Triangle poly1Triangle poly1: Polygon P, R, QArc dArc d: Semicircle through K and LArc eArc e: Semicircle through D and FSegment cSegment c: Segment [P, R] of Triangle poly1Segment aSegment a: Segment [R, Q] of Triangle poly1Segment bSegment b: Segment [Q, P] of Triangle poly1Segment fSegment f: Segment [G, H] Segment gSegment g: Segment [G, H] Segment iSegment i: Segment [R, S] Segment hSegment h: Segment [M, N] Segment f_1Segment f_1: Segment [G_1, H_1] Segment h_1Segment h_1: Segment [M_1, N_1] Point PP = (7.8,3.84) Point PP = (7.8,3.84) Point PP = (7.8,3.84) Point RR = (6.56,0.66) Point RR = (6.56,0.66) Point RR = (6.56,0.66) Point QQ = (2.6,0.68) Point QQ = (2.6,0.68) Point QQ = (2.6,0.68) Point SS = (9.38,0.66) Point SS = (9.38,0.66) Point SS = (9.38,0.66) xtext1 = “x”x 20â°text1_1 = “x 20â°”

Image of a Triangle PQR in Which PQ = PR

Choices

Choice (4)Response

a.

b.

c.

d.

Question 639

Mathematics
Edit

Question

MCQ▾

The sum of the deviations of a set of values measured from 40 is -15 and the sum of deviations of the values from 30 is 65. The mean is

Choices

Choice (4)Response

a.

70.25

b.

c.

d.

95