If 15 members of a family went on a trip in 3 cars, then how many people sat in each car?
In a survey of 85 families of a colony, the number of members in each family was recorded and the data has been represented by the following bar graph.
Read the bar graphcarefully and answer the following questions :
(i) What information does the bar graph give ?
(ii) How many families have 3 members ?
(iii) How many people live alone ?
(iv) Which type of family is the most common ? How many members are there in each family of this kind ?