Subject :IMO Class : Class 8

A man is paid ₹ 5 per hour for regular working day and ₹ 8 per hour for overtime. A regular working day has 8 hours and a regular week has 5 working days. If he earns ₹ 920 in 4 weeks, then what is the total number of hours that he worked assuming that he was present on all regular working days ?

A200 hours

B180 hours

C175 hours

D160 hours