james father will be 52 years old 7 years from now .
so his present age is 52-7=45
so now james age is (1/5)×45=9years
sfoe second part answer is 3 years,
after 3 years james will be 12 years old andfather will be 48 years old and 12 is 1/4 of 48
hope its helpful
SMILE