Page 329 - Math_Genius_V1.0_C7_Flipbook
P. 329

D:\Surender Prajapati\CBSE_ICSE_Book_New\CBSE\Grade-7\Math_Genius-7\Open_File\14_Chapter\14_Chapter
               \ 15-Nov-2024                      Surender Prajapati   Proof-5             Reader’s Sign _______________________ Date __________





                     Draw a double bar graph for the following data.

                    (a)  In which year was the total output the maximum?
                    (b)  Find the mean production for the year 2023.
                    (c)  For which month was the difference between the production for the two years the maximum?
                    (d)  In which month for the year 2024, the production was the maximum?

                    (e)  In which month for the year 2023, the production was the least?
                 10.  Consider the following data gathered from a survey of a school participated in different sports:

                      Sports   Cricket   Football Volley Ball Badminton       Table Tennis     Swimming       Athletics

                       Boys       78        59          44           16             63             42            80
                       Girls      54        46          77           91             43             87            92

                     Draw a double bar graph from the above table and answer the following questions:
                    (a)  Which game has most participants in boys and girls?
                    (b)  Which game(s) has more number of girls than boys?

                    (c)  Which game has least participants in boys and girls?
                    (d)  How many more girls are there in swimming then boys?
                 11.  Study the bar graph and answer the following questions:      60
                                                                                   55
                    (a)  What has been compared in the given graph?                50                     2020   2021
                    (b)  Name the month in which the maximum temperature           45
                                                                                   40
                        was more in 2021 than in 2020?                             35
                                                                                   30
                    (c)  In which month the variation in two temperature        Maximum Temperature   (in °C)  25
                        maximum?                                                   20
                                                                                   15
                    (d)  In which month the temperature was same in both           10
                                                                                   5
                        the years?                                                 0
                                                                                         April   May     June     July
                                                                                                  Months

                 12.  Wrestling is a martial art and combat sport that involves grappling with an opponent and striving
                     to obtain a position of advantage through different throws or techniques,
                     within a given rule set. It is a test of physical strength and skill. It is one                   CASE STUDY
                     of the oldest sports. It is a healthy sport for our body.
                     The following data shows the number of matches won by six students
                     of ABC School in last five years. Only one wrestler among them will be
                     selected and sent to a national wrestling tournament.

                     Wrestlers             A             B             C             D             E             F
                     Matches won           5             6             8             4             2            10
                     Answer the following questions:
                       (a)  Find the average number of matches won by each wrestler.
                       (b)  Find the range of the number of matches won by wrestlers.
                        (c)  Which wrestler should be selected for the national wrestling tournament?
                       (d)  How many wrestlers won more than average number of matches?


                                                                    327
   324   325   326   327   328   329   330   331   332   333   334