TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: if the radius of a circle is decreased 60 % , what happens to the area ?

SOLUTION: 84 % decrease

PROBLEM: Problem: how many zeroes are there at the end of the number n , if n = 70 ! + 140 ! ?

SOLUTION: 16

PROBLEM: Problem: if the price of sugar rises from rs . 10 per kg to rs . 11 per kg , a person , to have no increase in the expenditure on sugar , will have to reduce his consumption of sugar by

SOLUTION:
9 %