In rods family 3 4th of the members were glasses. of those who do not wear glasses,1 3rd are male. what fraction of the family are males who do not were glasses?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.