instruction:
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'.
question:
Problem: company a imported 10,500 widgets made of either brass or aluminum . the widgets are painted blue , red or green . if 10 percent of the widgets are made of brass and of those 20 percent are painted red and 40 percent are painted blue how many brass widgets painted green were imported ?
Options: a ) 480 , b ) 840 , c ) 1050 , d ) 420 , e ) 2100
answer:
d

question:
Problem: if each year the population of the country grows by 40 % , how many years will elapse before the population of the country doubles ?
Options: a ) 3 , b ) 4 , c ) 5 , d ) 6 , e ) 7
answer:
a

question:
Problem: a present value of a machine is $ 1200 . its value depletion rate is 10 % per annum then find the machine value after 2 years ?
Options: a ) $ 972 , b ) $ 810 , c ) $ 915 , d ) $ 715 , e ) $ 795
answer:
a