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A bicycle wheel makes 5000 revolution on moving 11 km. Find the diameter of the wheel?

Posted by Sahil Karki 6 years, 10 months ago

CBSE > Class 10 > Mathematics

1 answers

Thanks Ki Baarish ........???? 6 years, 10 months ago

Distance covered in 5000 revolutions = 11 km = 11,000 m = 11,00,000 cm Distance covered in 1revolution = 11,00,000 / 5000 = 220 cm Distance covered in 1 revolution = Circumference of the wheel of the bicycle Let the radius of the wheel be 'r' cm. ⇒ 2 x 22/7 x r = 220 ⇒ r = 220 x 7/22 x 1/2 ⇒ r = 35 cm Hence, the diameter of the wheel is 70 cm. All the Best??for ur exams @diti

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