The task is to generate the correct answer for a given math problem.

[EX Q]: Problem: dhoni bought 5 toys with the average cost of $ 10 . if david also buys the sixth toy with the price of $ 16 , what is the average ( arithmetic mean ) price of those 6 toys ?
[EX A]: $ 1

[EX Q]: Problem: solution y is 30 percent liquid x and 70 percent water . if 2 kilograms of water evaporate from 6 kilograms of solution y and 2 kilograms of solution y are added to the remaining 4 kilograms of liquid , what percent of this new solution is liquid x ?
[EX A]: 40 %

[EX Q]: Problem: | - 2 | ( | - 25 | - | 5 | ) = ? ? source : preparation material mba center
[EX A]:
40