Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 47 - 50 of 989

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Question 47

Mathematics
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Question

MCQ▾

A, B, C are the three angles of a triangle. If , then are

Choices

Choice (4)Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question 48

Mathematics
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Question

MCQ▾

ABCD is a parallelogram. The angle bisectors of and meet at O. The measure of is

Choices

Choice (4)Response

a.

b.

c.

Dependent on the angle A and B

d.

Cannot be determined from given data

Question 49

Mathematics
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Question

MCQ▾

One side of a regular polygon with vertices on a circle subtends an angle of at the centre of this circle. This polygon is

Choices

Choice (4)Response

a.

10 sided

b.

18 sided

c.

12 sided

d.

6 sided

Question 50

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Question

MCQ▾

In the given figure, X is a point in the interior of parallelogram ABCD. If the area of parallelogram , then area of area of = ________.

Quadrilateral poly1Quadrilateral poly1: Polygon A, B, C, DSegment aSegment a: Segment [A, B] of Quadrilateral poly1Segment bSegment b: Segment [B, C] of Quadrilateral poly1Segment cSegment c: Segment [C, D] of Quadrilateral poly1Segment dSegment d: Segment [D, A] of Quadrilateral poly1Segment fSegment f: Segment [A, X] Segment gSegment g: Segment [X, B] Segment hSegment h: Segment [X, C] Segment iSegment i: Segment [X, D] Point AA = (4, -0.4) Point AA = (4, -0.4) Point AA = (4, -0.4) Point BB = (3.12, -3.92) Point BB = (3.12, -3.92) Point BB = (3.12, -3.92) Point CC = (8.24, -3.92) Point CC = (8.24, -3.92) Point CC = (8.24, -3.92) Point DD = (9.06, -0.34) Point DD = (9.06, -0.34) Point DD = (9.06, -0.34) Point XX = (5.56, -2.34) Point XX = (5.56, -2.34) Point XX = (5.56, -2.34)

Image of a Parallelogram ABCD with X as Interior Point

Choices

Choice (4)Response

a.

b.

c.

d.