In a class,3/4 of the pupils wore spectacles .1/3 of the pupils who did not wear spectacles were boys .what fraction of all the pupils were boys who did not wear spectacles?

Answer 1

Most of your questions are basically the same.

You have shown no indication where your difficulty with these problems lie
in solving these little questions, and have made no effort
to even show any attempt by you.

What would you do for the above problem??