If in a rectangular field the length is increased by 50% and breadth by 20% , its area will become

  • 5/9 times
  • 5/3 time
  • 9/5 times
  • 3 times
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    Ans. 9/5 times

    Solution-
    Let be the length of a rectangle field = X
    And breadth of a rectangle field     = Y
    Area of rectangle    =X
    50% of length = X x 50/100 = X/2
    New length is    = X + X/2  = 3X/2
    20% of breadth = Y x 20/100 = Y/5
    New breadth is = Y + Y/5 = 6Y/5
    New Area of rectangle = 3X/2 x 6Y/5
    =  9/5 XY    
                                                                           

    Anurag Mishra Professor Answered on 5th May 2015.
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