In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.10 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ? Choose one:
A) 160	B) 175	C) 190	D) 200	E) 210
Suppose the man works overtime for x hours.   Now, working hours in 4 weeks = (5 x 8 x 4) = 160.   160 x 2.10 + X x 3.20 = 432   X = 30.   Hence, total hours of work = (160 + 30)= 
<gadget id="calculator">(160 + 30)</gadget>
<output>190</output>
190.   answer :190
<result>C</result>
In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.10 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for ?