The following table gives the size of shirts of a students in a class. Represent the data as a histogram

Size of shirts (in cm)	20-25	25-30	30-35	35-40	40-45
Number of students	10	20	5	4	1

12 Draw the graph for the following tables of values with suitable places on the axes.

Number of oranges	1	2	3	4	5	6
Cost (in Rs)	3	6	9	12	15	18

13 The following table gives the route in length (in thousand kilometer of the Indian Railways in some of the years. Represent the data as bar graph.

Year	1960-61	1970-71	1980-81	1990-91	2000-2001
Route length (in thousand km)	55	60	61	75	95

15 Various modes of transport used by 1850 students of a school are given below. Draw a bar graph to represent the below data

School bus	Private bus	Bicycle	Rickshaw	By foot
640	360	490	210	150

16 Gold prices on 4 consecutive Tuesday were as under. Draw a bar graph to represent the below data

Week	First	Second	Third	Fourth
Rate per 10gm	4850	5100	5250	5500