PPSC Past Paper Labour Inspector(BS-14) 2019 Solved MCQs, English MCQs, PPSC Solved Past Papers MCQs, Prepositions MCQsFill in the blanks: His voice gets on my ____?A. Brain B. Nerves C. Mind D. Ear He is interested ______ coin collection?A father is twice as old as his son 20 years ago the age of the father was 12 times the age of the son. The present age of the father is?