TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: by investing in 1623 % stock at 64 , one earns rs . 1500 . the investment made is

SOLUTION: rs . 5760

PROBLEM: Problem: the average weight of a , b and c is 60 kg . if the average weight of a and b be 70 kg and that of b and c be 50 kg , then the weight of b is :

SOLUTION: 60 kg

PROBLEM: Problem: water consists of hydrogen and oxygen , and the approximate ratio , by mass , of hydrogen to oxygen is 2 : 16 . approximately how many grams of hydrogen are there in 117 grams of water ?

SOLUTION:
13