Question

A wheel that has 6 cogs is meshed with a larger wheel of 14 cogs. When the smaller wheel has made 21 revolutions, then the number of revolutions made by the larger wheel is ?

A) 11 B) 7 C) 9 D) 13

Answer 1

hey mate

option d 13

hope this helps you

Answer 2

I hope the answer is D)13