price of a particular thing is 95.shopkeepar decrease cost by 20% and hence his revenue increases 60%............find the% increase in selling
a.100% b.40% c.60% d.20%

• a. 100%
  If at 95 Rs. price, selling=x, then Revenue=95x and
  at price of 20% less i.e. (80/100)*95=76, if selling is increased by y% revenue increases by 60%=(160/100)*95x, then
  76x*(y/100)= (160/100)*95x
  y=200, So increase in selling=100%
  
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• C --->>60%
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