In this task, you need to answer the given multiple-choice question on the gain. Gain is the value by which to multiply the input. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Q: Problem: 40 is subtracted from 70 % of a number , the result is 30 . find the number ? 
Options: a ) 150 , b ) 997 , c ) 266 , d ) 288 , e ) 100

A: e
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Q: Problem: uncle bruce is baking chocolate chip cookies . he has 36 ounces of dough ( with no chocolate ) and 10 ounces of chocolate . how much chocolate is left over if he uses all the dough but only wants the cookies to consist of 20 % chocolate ? 
Options: a ) 2 , b ) 4 , c ) 6 , d ) 3 , e ) 1

A: e
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Q: Problem: ravi and sunil are partners in a business . ravi invests rs . 10,000 for 8 months and sunil invested rs . 12000 for 10 months then after one year ratio of their profits will be 
Options: a ) 1 : 3 , b ) 2 : 3 , c ) 3 : 2 , d ) 3 : 1 , e ) 3 : 4

A:
b
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