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: if a book is sold at 10 % profit instead of 10 % loss , it would have brought rs 14 more . find out the cost price of the book 
Options: a ) 75 , b ) 72 , c ) 60 , d ) 70 , e ) 80

Answer: d


Question: Problem: the simple interest on rs . 20 for 6 months at the rate of 5 paise per rupeeper month is 
Options: a ) 1.2 , b ) 1.4 , c ) 6 , d ) 7 , e ) none

Answer: c


Question: Problem: a pair of articles was bought for $ 50 at a discount of 50 % . what must be the marked price of each of the article ? 
Options: a ) $ 25 , b ) $ 12.50 , c ) $ 29.65 , d ) $ 35.95 , e ) $ 45.62

Answer:
b