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: an escalator moves towards the top level at the rate of 7 ft . sec and its length is 180 feet . if a person walks on the moving escalator at the rate of 2 feet per second towards the top level , how much time does he take to cover the entire length . 
Options: a ) 5 sec , b ) 25 sec , c ) 20 sec , d ) 15 sec , e ) 10 sec

Answer: c


Question: Problem: if 20 % of a number = 1000 , then 120 % of that number will be ? 
Options: a ) 20 , b ) 120 , c ) 360 , d ) 6000 , e ) 820

Answer: d


Question: Problem: a side of beef lost 30 percent of its weight in processing . if the side of beef weighed 500 pounds after processing , how many pounds did it weigh before processing ? 
Options: a ) 714.28 , b ) 712 , c ) 714.88 , d ) 714.25 , e ) 714

Answer:
a