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: the cost price of a radio is rs . 2550 and it was sold for rs . 2130 , find the loss % ? 
Options: a ) 18 , b ) 10 , c ) 15 , d ) 66 , e ) 41

A: c
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Q: Problem: find number which is 60 % less than 120 . 
Options: a ) 18 , b ) 22 , c ) 28 , d ) 48 , e ) 98

A: d
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Q: Problem: a 340 - liter solution of kola is made from 88 % water , 5 % concentrated kola and the rest is made from sugar . if 4.2 liters of sugar , 10 liter of water and 6.8 liters of concentrated kola were added to the solution , what percent of the solution is made from sugar ? 
Options: a ) 6 % . , b ) 7.7 % . , c ) 9.2 % . , d ) 10.5 % . , e ) 11 % .

A:
b
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