MCQ Questions for Class 6 Maths - Circles

 Page 1


 
 
 
 
 
 
                                                     
Mark the correct alternative in each of the following: 
 
1. A circle of radius r cm has diameter of length 
(a) r cm 
(b) 2r cm 
(c) 4r cm 
(d) r/2 cm 
Solution: 
 
The option (b) is the correct answer. 
A circle of radius r cm has diameter of length 2r cm. 
 
2. A chord of a circle passing through its centre is equal to its 
(a) radius 
(b) diameter 
(c) circumference 
(d) none of these 
Solution: 
 
The option (b) is the correct answer. 
A chord of a circle passing through its centre is equal to its diameter. 
 
3. The total number of diameters of a circle is 
(a) 1 
(b) 2 
(c) 4 
(d) uncountable number 
Solution: 
 
The option (d) is the correct answer. 
The total number of diameters of a circle is uncountable number. 
 
4. By joining any two points on a circle, we obtain its 
(a) radius 
(b) diameter 
(c) chord 
(d) circumference 
Solution: 
 
The option (c) is the correct answer. 
By joining any two points on a circle, we obtain its chord. 
 
5. The longest chord of a circle is equal to its 
(a) radius 
(b) diameter 
(c) circumference 
(d) perimeter 
Solution: 
Page 2


 
 
 
 
 
 
                                                     
Mark the correct alternative in each of the following: 
 
1. A circle of radius r cm has diameter of length 
(a) r cm 
(b) 2r cm 
(c) 4r cm 
(d) r/2 cm 
Solution: 
 
The option (b) is the correct answer. 
A circle of radius r cm has diameter of length 2r cm. 
 
2. A chord of a circle passing through its centre is equal to its 
(a) radius 
(b) diameter 
(c) circumference 
(d) none of these 
Solution: 
 
The option (b) is the correct answer. 
A chord of a circle passing through its centre is equal to its diameter. 
 
3. The total number of diameters of a circle is 
(a) 1 
(b) 2 
(c) 4 
(d) uncountable number 
Solution: 
 
The option (d) is the correct answer. 
The total number of diameters of a circle is uncountable number. 
 
4. By joining any two points on a circle, we obtain its 
(a) radius 
(b) diameter 
(c) chord 
(d) circumference 
Solution: 
 
The option (c) is the correct answer. 
By joining any two points on a circle, we obtain its chord. 
 
5. The longest chord of a circle is equal to its 
(a) radius 
(b) diameter 
(c) circumference 
(d) perimeter 
Solution: 
 
 
 
 
 
 
The option (b) is the correct answer. 
The longest chord of a circle is equal to its diameter. 
 
6. How many circles can be drawn to pass through two given points? 
(a) 1 
(b) 2 
(c) 0 
(d) As many as possible 
Solution: 
 
The option (d) is the correct answer. 
Many circles can be drawn to pass through two given points. 
 
7. How many circles can be drawn to pass through three non-collinear points? 
(a) 1 
(b) 2 
(c) 0 
(d) As many as possible 
Solution: 
 
The option (a) is the correct answer. 
Only 1 circle can be drawn to pass through three non-collinear points.