8. Sum of all angles is 360
   Sum of remaining two angles       = 360 - 125
                                                     = 235
   Average of remaining two angles =
                                                     = 117.5

   Ans : D

9. 

   

   Ans : E

10. 3x - 5 + 2x   = 180 [Interior angles add up to 180⁰ ]

    5x - 5 = 180

          5x = 85

            x = 37

    Ans : B

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