Tarun, Arjun and Varun bought eight point five litres, 7.25 liters and 9400 ml of milk respectively from a milk booth.
a) How much milk did they buy in all?
b) If there was 40 litres of milk in booth after three of them bought, find the quantity of milk
left in the booth.

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.