The wages of a daily wages worker go on increasing every month by RS.10 per day.When he started work, his wages were Rs. 90 per day. When he left he’d started earning Rs. 150 per day. What was the total amount he must have earned when he left the job?
The average wages of a worker during a fortnight comprising 13 consecutive working days was Rs.80 per day. During the first 6 days, his average wages was Rs.77 per day and the average wages during the last 6 days was Rs.84 per day. What was his wage on the 7th day?