Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 17 - 20 of 989

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Question 17

Mathematics
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Question

MCQ▾

An angle which is more than and less than is called

Choices

Choice (4)Response

a.

Complete angle

b.

Obtuse angle

c.

Right angle

d.

Reflex angle

Question 18

Mathematics
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Question

MCQ▾

The radius of a circle is 2.5 cm. AB and CD are two parallel chords 2.7 cm apart. If cm then CD is equal to

Choices

Choice (4)Response

a.

5.2 cm

b.

3 cm

c.

7.3 cm

d.

8 cm

Question 19

Mathematics
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Question

MCQ▾

Two adjacent angles whose sum is is called

Choices

Choice (4)Response

a.

Linear pair

b.

Complementary angles

c.

Vertically opposite angles

d.

Question does not provide sufficient data or is vague

Question 20

Mathematics
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Question

MCQ▾

In the figure find x if .

Arc dArc d: Semicircle through I and JArc cArc c: Semicircle through H and LArc eArc e: Semicircle through M and NSegment fSegment f: Segment [A, B] Segment gSegment g: Segment [B, C] Segment hSegment h: Segment [C, D] Segment iSegment i: Segment [C, E] Segment jSegment j: Segment [E, F] Segment kSegment k: Segment [E, G] Vector uVector u: Vector [K, D] Vector uVector u: Vector [K, D] Vector vVector v: Vector [O, P] Vector vVector v: Vector [O, P] Point AA = (-3.74,3.34) Point AA = (-3.74,3.34) Point AA = (-3.74,3.34) Point BB = (-0.54,3.34) Point BB = (-0.54,3.34) Point BB = (-0.54,3.34) Point CC = (-2.24,0.84) Point CC = (-2.24,0.84) Point CC = (-2.24,0.84) Point DD = (2.2,0.82) Point DD = (2.2,0.82) Point DD = (2.2,0.82) Point EE = (0.56,2.64) Point EE = (0.56,2.64) Point EE = (0.56,2.64) Point FF = (4.16,2.56) Point FF = (4.16,2.56) Point FF = (4.16,2.56) Point GG = (3.82,3.62) Point GG = (3.82,3.62) Point GG = (3.82,3.62) 35â°text1 = “35â°”140â°text1_2 = “140â°”xtext1_3 = “x”

Image of a Figure Mage by Some Lines in Which AB∥CD

Choices

Choice (4)Response

a.

b.

c.

d.