Comparing Circles by Comparing Radius

Q. Match the following circle with the given diagram with their radius.

1. 2 cm
2. 5 cm
3. 7 cm

Q.

Three cows A, B , C and D are tied with a pole at corners of a grass field. If cow A is tied with a 2 m long rope, cow B is tied with a 3 m long rope , cow C is tied with a 5 m long rope and cow D is tied with a 2.50 m long rope, then which cow has more grass to graze?

1. Cow A
2. Cow B
3. Cow C
4. Cow D

Q. Which circle is bigger ?

1. Circle A
2. Circle B
3. Both circles are of same size
4. Cannot be determined

Q. Without measuring the radius of the given circles, find out which of the circles has smallest radius.

1. Red circle
2. Green circle
3. Blue circle
4. Yellow circle

Q. Without measuring the radius of the given circles, the circle which has the smallest radius is the circle.

1. red
2. green
3. blue
4. yellow

Q. Match the following circle with the given diagram with their radius.

1. 2 cm
2. 5 cm
3. 7 cm

Q. Shouvik and Ankit are drawing circles using a nail and the threads of 5 cm and 4 cm respectively. Whose circle has a smaller radius?

1. Ankit's circle
2. Shouvik's circle
3. Both are equal
4. Can't be determined

Q. Consider the following figure.What is radius of the outer circle? [Both these circles have a common centre.]

1. 10 cm
2. 13 cm
3. 4 cm
4. 12 cm

Q. Three horses A, B, and C are tied to a pole at different corners of a grass field. If horse A is tied with a 150 cm long rope, horse B is tied with a 2 m long rope, horse C is tied with a 350 cm long rope, then find which horse can graze more grass?

1. Horse A
2. Horse B
3. Horse C
4. All horses can gaze same quantity of grass

Q. Nisha and Asha are drawing circles using a nail and threads of 5 cm and 8 cm respectively. Whose circle will be bigger?

1. Nisha's circle
2. Asha's circle
3. Both are same
4. Can't be determined

Q. The circle coloured in ________ has the smallest radius.

1. green
2. red
3. blue
4. yellow

Q. A ten rupee note is in the shape of a circle.

1. False
2. True

Q. Which of the base of the given lamp posts is the largest?

1. 
2. 
3. 
4. 

Q. Bulu draws a circle using a thread, chalk and, nail. He tied one end of the thread to the nail and the other end to the chalk. The nail acted as _________ and the thread acted as ________ of the circle.

1. boundary, radius
2. diameter, center
3. centre, radius
4. centre, boundary

Q. There are three groups. Each group should take a rope of a different length to make circles. See the circles made by each group.


Which group has made the circle with the smallest radius?

1. Rani's group
2. Molu's group
3. Rahul's group

Q. Ram, Sam, Sonu and Alok are running on the circular track as shown. Who is the farthest from the centre of the track?

1. Sonu
2. Alok
3. Sam
4. Ram

Q. Trace a circle with the help of some of these in your notebook or on the ground.
Which thing makes the smallest circle?
Which thing makes the biggest circle?

Q. A ten rupee note is in the shape of a circle.

1. False
2. True