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: how many liters of water must be evaporated from 50 liters of a 8 - percent sugar solution to get a 10 - percent solution ? 
Options: a ) 8 , b ) 10 , c ) 12 , d ) 14 , e ) 16

Answer: b


Question: Problem: if a man lost 4 % by selling oranges at the rate of 72 a rupee at how many a rupee must he sell them to gain 44 % ? 
Options: a ) 41 , b ) 48 , c ) 49 , d ) 44 , e ) 43

Answer: b


Question: Problem: a man walking at a rate of 10 km / hr crosses a bridge in 24 minutes . the length of the bridge is ? 
Options: a ) 1521 , b ) 1492 , c ) 1667 , d ) 4000 , e ) 1112

Answer:
d