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'.

Problem: in an examination it is necessary for a candidate to get 45 % of the maximum marks to pass . a candidate who gets 180 marks , fails by 45 marks . find the maximum marks .
Options: a ) 450 , b ) 600 , c ) 500 , d ) 550 , e ) 650
c

Problem: ravi purchased a refrigerator and a mobile phone for rs . 15000 and rs . 8000 respectively . he sold the refrigerator at a loss of 4 percent and the mobile phone at a profit of 11 percent . overall he make a .
Options: a ) 228 , b ) 288 , c ) 27 , d ) 200 , e ) 280
e

Problem: a dishonest dealer professes to sell goods at the cost price but uses a weight of 650 grams per kg , what is his percent ?
Options: a ) 15 % , b ) 25 % , c ) 65 % , d ) 53.8 % , e ) 35 %
d