Mathematics-Circles [NSTSE (National Science Talent Search Exam- Unified Council) Class 9]: Questions 1 - 6 of 99

Choose Programs:

🎯 1998 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)

Rs. 550.00 -OR-

3 Year Validity (Multiple Devices)

CoverageDetailsSample Explanation

Help me Choose & Register (Watch Video) Already Subscribed?

Question 1

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 2

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 3

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 4

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

Question 5

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

Edit

Question 6

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

Edit