Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 317 - 324 of 989

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Question 317

Mathematics
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Question

MCQ▾

AB is a chord of length 30 cm of a circle with center O and radius 17 cm. If Find the distance of the chord from the center.

Choices

Choice (4)Response

a.

4 cm

b.

16 cm

c.

8 cm

d.

13 cm

Question 318

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Question

MCQ▾

The ratio of the areas of two squares is 121: 169. The ratio of their perimeter in the same order is ________.

Choices

Choice (4)Response

a.

16: 21

b.

21: 16

c.

11: 13

d.

13: 11

Question 319

Mathematics
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Question

MCQ▾

ABCD is a parallelogram in which diagonals intersect at O. If then

Choices

Choice (4)Response

a.

b.

c.

d.

Question 320

Mathematics
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Question

MCQ▾

Number of angles formed by a transversal with a pair of lines

Choices

Choice (4)Response

a.

8

b.

6

c.

4

d.

3

Question 321

Mathematics
Edit

Question

MCQ▾

Type of angle between the hands of a clock when the time is 4: 25 is

Choices

Choice (4)Response

a.

Straight angle

b.

Acute angle

c.

Right angle

d.

Obtuse angle

Question 322

Mathematics
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Question

MCQ▾

A pair of angles with a common vertex and common arm is called

Choices

Choice (4)Response

a.

Adjacent angles

b.

Complementary

c.

Supplementary

d.

All of the above

Question 323

Mathematics
Edit

Question

MCQ▾

ABCD is a parallelogram in which diagonals intersect at O. If then

Choices

Choice (4)Response

a.

b.

c.

d.

Question 324

Mathematics
Edit

Question

MCQ▾

In the adjoining figure, it is given that , and then ________.

Triangle poly1Triangle poly1: Polygon A, B, CArc eArc e: Semicircle through D_1 and E_1Arc fArc f: Semicircle through L and MSegment cSegment c: Segment [A, B] of Triangle poly1Segment aSegment a: Segment [B, C] of Triangle poly1Segment bSegment b: Segment [C, A] of Triangle poly1Segment jSegment j: Segment [C, D] Segment lSegment l: Segment [C, E] Vector uVector u: Vector [F, G] Vector uVector u: Vector [F, G] Vector vVector v: Vector [H, I] Vector vVector v: Vector [H, I] Point AA = (1.29,5.98) Point AA = (1.29,5.98) Point AA = (1.29,5.98) Point BB = (-0.77,2.04) Point BB = (-0.77,2.04) Point BB = (-0.77,2.04) Point CC = (3.13,1.96) Point CC = (3.13,1.96) Point CC = (3.13,1.96) Point DD = (4.87,1.98) Point DD = (4.87,1.98) Point DD = (4.87,1.98) Point EE = (3.83,3.82) Point EE = (3.83,3.82) Point EE = (3.83,3.82) 70â°text1_1 = “70â°”75â°text1_3 = “75â°”

Image of a Triangle with a Pair of Parallel Line

Choices

Choice (4)Response

a.

b.

c.

d.