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

Q: Problem: set s contains exactly 10 numbers and has an average ( arithmetic mean ) of 6.2 . if one of the numbers in set s is increased by 7 , while all other numbers remain the same , what is the new average of set s ?

A: 6.
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Q: Problem: the average weight of a , b and c is 60 kg . if the average weight of a and b be 70 kg and that of b and c be 50 kg , then the weight of b is :

A: 60 kg
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Q: Problem: how many integers between 314,700 and 458,600 have tens digit 1 and units digit 3 ?

A:
1,43
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