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4.  (a) 4  (b) 3.6  (c) 3.56                       2.    Score       Tally marks   Frequency
              5.  (a) 2,974.685    (b) 2,134.586
            Values and Life Skills                                       1                         2
              1.  0.66 m; 66 cm   2.  31.79 cm     3.  14 kg 400 g       2                           8
            Exemplar Problems                                            3                        3

              1.  (d)    2.  (c)   3.  True     4.   False
                                                                         4                        3
              5.  0.33   6.  2.0226, 2.023, 2.2,20.42,22.1
              7.  11.265 kg                                              5                           5
                               Chapter 9                                 6                        3
            Exercise 9.1                                            (a) 2   (b)  1    (c)  3, 4 and 6


              1.   Number of children in family  Frequency        3.   Shirt size    Tally marks   Frequency
                              1                   7                      32                         3
                                                                         34                         3
                              2                  12
                                                                         36                          2
                              3                   5                      38                        4

                              4                   1                      40                         12
                                                                         42                         3
                (a)  1    (b)  4    (c)  2   (d)  12
                                                                         44                         3
                                                                    (a) 36 size    (b)  40 size

              4.
                                                       Months Sep    Oct    Nov     Dec   Jan    Feb  = 1 student
                    Number of students        —                                    
                                                                                                          Mar
                                                      Aug
                                               Jul
                                       Jun
                               May
                        Apr
                                                      
                                
                                                                   
                                                               
                                                                           
                (a) September   (b)  July

                                                                Exercise 9.2
              5.                                                   1.                Scale: 1 unit = 10 marks
                       I    Classes  III     IV  = 6 students         100
                  Number of students                                   80
                             II
                                                       V
                                                                       90
                                                                       70



                                                                       60
                                                                     Marks  50
                                                                       40
                (a) 10 circles with 6 radii each.                      30
                                                                       20
                (b)  6  circles  with  6  radii  each  and  one  circle  with  4
                  radii                                                10
                                                                       0
                (c)  A hexagon                                              English  Hindi  Maths  Science  S. Studies
                                                                                          Subjects



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