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

[EX Q]: Problem: what is the diagonal of a square field whose perimeter is 64 m ?
[EX A]: 16 √ 2 m

[EX Q]: Problem: excluding stoppages , the speed of the bus is 54 kmph and including stoppages , it is 36 kmph . for how many minutes does the bus stop per hr
[EX A]: 20 mi

[EX Q]: Problem: there is a train and car . the ratio between the speed of a train & a car is 16 : 15 respectively . also , a bus covered a distance of 320 km in 5 hours . the speed of the bus is 4 / 5 th of the speed of the train . how many kilometers will the car cover in 7 hours ?
[EX A]:
525