Question

A 60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?

Answer 1

Answer : The number of turns the larger gear made, 10

Explanation :

We are given:

Let the turns made by larger gear be 'y'.

When turns 12 times then the smaller gear = $60\times 12$

When turns 'y' times then the larger gear = $72\times y$

60-tooth gear = 72-tooth gear

$60\times 12=72\times y$

$y=\frac{60\times 12}{72}$

$y=10$

Therefore, the number of turns the larger gear made, 10