Multiple choice Father’s age is 4 times that of his son. 5 years back, it was 7 times. His age now is 30 35 40 45 Reveal answer Fill a bubble to check yourself C Correct answer Explanation Let the present age of the son be x. Therefore, the present age of the father is 4x. 5 years ago, 7(x – 5) = (4x – 5) = 7x – 35 = 4x - 5 = 3x = 30 = x = 10 Therefore, the present age of the father is 4x = 40 years.