Question

There are two wheels P and Q with 6 cogs and 14 cogs respectively.P is meshed with Q.What is the number of revolutions made by the wheel Q ,when the wheel P makes 30 revolutions​​

Answer 1

Answer:

Let the bigger wheel make x revolutions.

Now, the number of cogs is inversely proportional to the number of revolution of a wheel.

∴6×14=x×30

⟹x=6×30/14

⟹x=12.9

So, the bigger wheel will make 12.9 revolutions by the time the smaller one makes 14 revolutions.

Answer 2

Answer:

Let the bigger wheel make x revolutions.

Now, the number of cogs is inversely proportional to the number of revolution of a wheel.

∴6×14=x×21

⟹x=

14

6×21

⟹x=9.

So, the bigger wheel will make 9 revolutions by the time the smaller one makes 14 revolutions.

here is ur answer