TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: a man buys 60 pens at marked price of 46 pens from a whole seller . if he sells these pens giving a discount of 1 % , what is the profit percent ?

SOLUTION: 29.13 %

PROBLEM: Problem: jack and jill are marathon runners . jack can finish a marathon ( 42 km ) in 7 hours and jill can run a marathon in 4.2 hours . what is the ratio of their average running speed ? ( jack : jill )

SOLUTION: 5 / 5

PROBLEM: Problem: if a function f is defined by f ( x ) = - 1 / x for all non zero numbers x . if f ( a ) = - 1 / 3 and f ( ab ) = 1 / 6 then b = ?

SOLUTION:
- 2