You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.

[EX Q]: Question: The average age of a husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is:

 Option A: 19 years

 Option B: 17 years

 Option C: 25 years

 Option D: 15 years

 Option E: 12 years
[EX A]: Option A

[EX Q]: Question: When p is divided by 9, the remainder is 7. All of the following are possible values of p, except for which of the following?

 Option A: 16

 Option B: 34

 Option C: 52

 Option D: 60

 Option E: 70
[EX A]: Option D

[EX Q]: Question: The present population of a town is 2000. Population increase rate is 20% p.a. Find the population of town after 1 years?

 Option A: 1000

 Option B: 2400

 Option C: 1500

 Option D: 1600

 Option E: 1250
[EX A]:
Option B