Question

Diameter of a wheel of a car is 70 cm. How much distance will it cover in 120 revolutions?(answer was 26400 cm)​

Answer 1

diameter of car wheel = 70cm

radius of car wheel = 70/2 cm

circumference of car wheel = 2πr

= 2 x 22/7 x 70/2

= 22 x 10

= 220 cm²

distance covered by car wheel

= circumference of car wheel x no. of revolutions

= 220 x 120

= 26400 cm

= 264 m

hope you understand the answer.

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Answer 2

एक्सप्रेस इज ऑफ द फॉलोइंग इश्यू इन सिंपलेस्ट फॉर्म at1 रिशु वर्णन विडमेट