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

Q: Problem: calculate the share of z , if rs . 3720 is divided among x , y and z in the ratio 7 : 8 : 11 ?

A: 1574.1
****
Q: Problem: the ratio between the sale price and the cost price of an article is 12 : 7 . what is the ratio between the profit and the cost price of that article ?

A: 5 : 7
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Q: Problem: in how many no . between 10 and 30 exactly two of the digits is 2 ?

A:
1
****