Four years ago age of a person was 4 times that of his son. six years later the age of the person will be 10 years less than thrice the age of his son. Find the present ages of the person and his son

Question

( A ) x=44 and y=14
( B ) x=54 and y=24
( C ) x=34 and y=14
( D ) x=44 and y=24