Lakshya Education MCQs

Question:  the circumference of a circle exceeds the diameter by 20 cm. find the radius of the circle
Options:
A.3.41 cm
B.4.67 cm
C.6.45 cm
D.7.24 cm
Answer: Option B
Explanation :

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More Questions on This Topic :

Question 1.  the diameter of a wheel of cycle is 21 cm. it moves slowly along a road. how far will it go in 500 revolutions?
  1.    330 m
  2.    335 m
  3.    340 m
  4.    345 m
Answer: Option A
Explanation :
Question 2.  the ratio of areas of two wheels is 25 : 49. find the ratio of their radii.
  1.    5 : 7
  2.    4 : 9
  3.    3 : 2
  4.    2 : 7
Answer: Option A
Explanation :
Question 3.  the ratio of areas of two wheels is 25 : 49. find the ratio of their radii.
  1.    5 : 7
  2.    4 : 9
  3.    3 : 2
  4.    2 : 7
Answer: Option A
Explanation :
Question 4.  a piece of wire in the form of rectangle 40 cm long and 26 cm wide is again bent to form a circle. find the radius of the circle.
  1.    18 cm
  2.    19 cm
  3.    20 cm
  4.    21 cm
Answer: Option D
Explanation :
Question 5.  the circumference of a circle exceeds the diameter by 20 cm. find the radius of the circle
  1.    3.41 cm
  2.    4.67 cm
  3.    6.45 cm
  4.    7.24 cm
Answer: Option B
Explanation :
Question 6.  the ratio of areas of two wheels is 25 : 49. find the ratio of their radii.
  1.    5 : 7
  2.    4 : 9
  3.    3 : 2
  4.    2 : 7
Answer: Option A
Explanation :

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