TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: the ratio of the radius of two circles is 1 : 3 , and then the ratio of their areas is ?

SOLUTION: 1 : 9

PROBLEM: Problem: at a certain fruit stand , the price of each apple is 40 cents and the price of each orange is 60 cents . mary selects a total of 30 apples and oranges from the fruit stand , and the average ( arithmetic mean ) price of the 30 pieces of fruit is 56 cents . how many oranges must mary put back so that the average price of the pieces of fruit that she keeps is 52 cents ?

SOLUTION: 1

PROBLEM: Problem: a dishonest dealer professes to sell goods at the cost price but uses a weight of 990 grams per kg , what is his percent ?

SOLUTION:
1.01 %