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 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? 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)
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