A worker is paid Tk. d an hour for the first 8 hours she works in a day. For every hour after the first 8 hours, she is paid Tk. c an hour. If she works 12 hours in one day, what is her average hourly wage for that day ?
সমাধান
সঠিক উত্তর: Option D
for first eight hour she is paid= 8d tk for remaining 4 hour she is paid= 4c tk so , she is averagely paid = 8d+4c/12= 4(2d+c)/12=(2d+c)/3