Given :  the number of geometrical figures on different pages of a Maths book:

number of figures(per page)5,6,7,8,9

Number of pages 150,210,224,238,245

To Find :  mean figure per page.

Solution:

number of figures

(per page)                  Pages         Pages * figures

5                                 150                750

6                          210                1260

7                          224                1568

8                          238                1904

9                          245                2205

Total                      1067         7687

Mean Figures per page  = 7687/1067

= 7.204

= 7.2

Mean figures per page = 7.2

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