The task is to generate the correct answer for a given math problem.

Problem: if p and q are both odd prime numbers andp < q , then how many different positive integer factors does 2 pqhave ?
8

Problem: each of the products produced yesterday was checked by worker x or worker y . 0.5 % of the products checked by worker x are defective and 0.8 % of the products checked by worker y are defective . if the total defective rate of all the products checked by worker x and worker y is 0.74 % , what fraction of the products was checked by worker y ?
4 /

Problem: the cash realised on selling a 14 % stock is rs . 109.25 , brokerage being 1 / 4 % is ?
109