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

[Q]: Problem: the average of 6 no . ' s is 3.95 . the average of 2 of them is 3.8 , while the average of theother 2 is 3.85 . what is the average of the remaining 2 no ' s ?
[A]: 4.2

[Q]: Problem: the average of first 17 even numbers is ?
[A]: 18

[Q]: Problem: an engineer designed a ball so that when it was dropped , it rose with each bounce exactly one - half as high as it had fallen . the engineer dropped the ball from a 16 - meter platform and caught it after it had traveled 45 meters . how many times did the ball bounce ?
[A]:
4