5 years ago A was 5 year elder than B. After 6 years B will be 7 years elder than C. After 8 years C will be 7 years elder than D. If present age of D is 50 years old, then find the present age of A?
Answer & explanation
Correct answer: option 3
Present age of D = 50 years
Present age of C = (50 + 7) = 57 years
Present age of B = 57 + 7 = 64 years
Present age of A = 64 + 5 = 69 years