Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 16 - 21 of 989

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Question number: 16

Mathematics
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Question

MCQ▾

In the parallelogram ABCD, . The altitudes corresponding to the sides AE and CF are respectively 6 cm and 16 cm. Find BC.

Image of a Parallelogram ABCD in Which AB = 18 Cm

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 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 number: 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 number: 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 number: 20

Mathematics
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Question

MCQ▾

In the figure find x if .

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 21

Mathematics
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Question

MCQ▾

AB is a chord of a circle of radius 3.4 cm and P is a point on it which divided it into two parts in the ratio 3: 5. If P is 2.7 cm distant from the center O, the length of AB is

Choices

Choice (4)Response

a.

4.24 cm

b.

9.16 cm

c.

5.9 cm

d.

2.12 cm