When a plot is sold for Rs. 18,700, the owner loses 15%. At what price must that plot be sold in order to gain 15%?

First we find CP.

If SP is Rs. 85 then CP = Rs 100

If SP is Rs. 18,700, then

CP =

= Rs 22,000

Now, if CP is Rs 100, then SP = Rs. 115

Thus, if CP is Rs. 22,000, then

SP =

=Rs 25,300