Q31. A father is 30 years older than his son. 5 years ago, the average age of the father and son was 25 years. What is the present age of the son?Mathematics — Arithmetic — Question 31 of 449A. 12 yearsB. 20 yearsC. 15 yearsD. 10 yearsPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →