A man's regular pay Tk. 30 per hour up to 40 hours. Overtime is twice the regular payment. If he was paid Tk. 1680, how many hours overtime did he work?
A
7
B
16
C
9
D
8
Correct Answer: 8
Total earning in 40 hours = 40*30 = 1200tkRemaining earning = 1680-1200 = 480tknumber of overtime hours = 480/(30*2) = 480/60 = 8 hours (Ans)