There are 6 working days in a regular week and for each day, 10 hours is working hours. A woman earns Rs. 2.10 per hour. For regular work and Rs. 4.20 per hour for overtime. If he earns Rs. 525 in 4 weeks, how many hours did she work ? 1) 245
2) 225
3) 275
4) 255
5) 235
2) 225
3) 275
4) 255
5) 235