Answers

2014-07-27T15:03:46+05:30
Actual cost =250.....increased cost=350.......difference in increase=100....rate of increase =(100/250)×100..... =4 per cent...
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2014-07-27T16:34:28+05:30

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Rate of increase is defined as  =
           ( actual amount of increase  divided by  previous value  ) multiplied by 100
             =  (Rs 100  / Rs 250 ) * 100  = 100 * 100 / 250  = 40 %
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