Page 154 - Maths Skill - 6

152 Maths

Solution: (i) The given bar graph gives the information about the production of coal in million tonnes in
two consecutive years, namely 2018–19 and 2019–20 in various states.
(ii) M.P. and Bihar have equal production in 2018–19.

(iii) U.P. has the same production in both the years.
(iv) U.P. has minimum production.

Exercise 10.3

1. The population of Delhi in different census years is as given next.

Census Year 1971 1981 1991 2001 2011
Population in Lakhs 30 55 70 110 150
Represent the above information with the help of a bar graph.

2. The number of students admitted in a year in a school in different classes is given below. Represent the
data by a bar graph.

Class VI VII VIII IX X XI XII
No. of Students 82 36 40 18 10 55 9

3. The following colours were worn by the boys of a particular group. Represent the data on a bar graph.
Colour Red Orange Yellow Green Blue Pink
No. of Boys 15 9 6 8 18 4

4. Given below are the number of vehicles passing through a busy crossing in different time intervals on a
particular day. Represent the data on a bar graph.
8 to 9 to 10 to 11 to 12 to 13 to 14 to 15 to 16 to 17 to
Time Interval
9 hrs 10 hrs 11 hrs 12 hrs 13 hrs 14 hrs 15 hrs 16 hrs 17 hrs 18 hrs
Number of Vehicles 300 400 350 250 200 150 100 200 300 450

5. The graph given next indicates the number of medals won in an athletic meet by students of different
districts of a particular state.
Read the graph and answer the following
questions.

(i) How many more medals were won by
District II than District IV?
(ii) Which district received the least number of
medals?
(iii) Did any two districts receive the same
number of medals?
(iv) How many medals were won in total by all
the schools in the state?
(v) The total number of medals won by District
II and III was won by two other districts
also. Which are these districts? Number of medals won in an athletic meet