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'.
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Question: Problem: a watch was sold at a loss of 21 % . if it was sold for rs . 140 more , there would have been a gain of 4 % . what is the cost price ? 
Options: a ) 560 , b ) 882 , c ) 799 , d ) 778 , e ) 901

Answer: a


Question: Problem: a 13 % stock yields 8 % . the market value of the stock is : 
Options: a ) rs . 72 , b ) rs . 92 , c ) rs . 162.50 , d ) rs . 116.50 , e ) none of these

Answer: c


Question: Problem: the c . p of 20 pens is equal to the s . p of 12 pens . find his gain % or loss % ? 
Options: a ) 10 % , b ) 20 % , c ) 30 % , d ) 40 % , e ) 50 %

Answer:
d