Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 1 - 7 of 987

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Question 1

Question MCQ▾

In a quadrilateral PQRS, if and , then = ________.

Choices

Choice (4)Response

a.

b.

95°

c.

70°

d.

100°

Edit

Question 2

Question MCQ▾

The diagonal of a square is 4 cm. Its area is ________.

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 3

Question MCQ▾

O is the center of a circle and if then is equal to

A Circle Having Center O and Sum of Two Angles

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 4

Question MCQ▾

A chord of a circle is 8 cm in length and its distance from the center is 3 cm. Find the length of the chord of the same circle which is at a distance of 4 cm from the center.

Choices

Choice (4)Response

a.

10 cm

b.

12 cm

c.

6 cm

d.

8 cm

Edit

Question 5

Question MCQ▾

The sides BC, CA and AB of are produced in order to form exterior angles then is

A Triangle ABC with Its Exterior Angles

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 6

Question MCQ▾

The diameter is

Choices

Choice (4)Response

a.

Three times radius of circle

b.

Smallest chord of a circle

c.

Greatest chord of a circle

d.

None of the above

Edit

Question 7

Question MCQ▾

A regular nonage (9 sides) is inscribed in a circle. The angle that each side of the decagon subtends at the center is

Choices

Choice (4)Response

a.

b.

c.

d.

Edit