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

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 ?
4.2

Problem: the marks obtained by vijay and amith are in the ratio 8 : 5 and those obtained by amith and abhishek in the ratio of 3 : 2 . the marks obtained by vijay and abhishek are in the ratio of ?
12 : 5

Problem: how many multiples of 4 are less than 6540 , and also multiples of 7 ?

234