The following table shows the daily earnings of 45 skilled workers.  Earnings (in ₹)  700 to 800   800 to 900   900 to 1,000   1,000 to 1,100   1,100 to 1,200   1,200 to 1,300   Number of workers 4 15 10 10 4 2 How many workers earn less than ₹1,100 in a day?

39 10 29 43

39

Number of workers with earning less than Rs.1100 = 4 + 15 + 10 + 10 = 39