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'.

[EX Q]: Problem: what percent of 120 are 90 ?
Options: a ) 25 % , b ) 50 % , c ) 75 % , d ) 33 % , e ) 30 %
[EX A]: c

[EX Q]: Problem: what is the rate percent when the simple interest on rs . 800 amount to rs . 200 in 4 years ?
Options: a ) 5 % , b ) 7 % , c ) 6.25 % , d ) 2 % , e ) 4 %
[EX A]: c

[EX Q]: Problem: a watch was sold at a loss of 46 % . if it was sold for rs . 140 more , there would have been a gain of 4 % . what is the cost price ?
Options: a ) 280 , b ) 288 , c ) 279 , d ) 277 , e ) 290
[EX A]:
a