TASK DEFINITION: The task is to generate the correct answer for a given math problem.
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: sandy gets 3 marks for each correct sum and loses 2 marks for each incorrect sum . sandy attempts 30 sums and obtains 50 marks . how many sums did sandy get correct ?

SOLUTION: 22

PROBLEM: Problem: what will be the percentage increase in the area of the cube ' s surface if each of the cube ' s edges grows by 40 % ?

SOLUTION:
96 %