Question

a watch is sold at a loss of 6%.Had it been sold for 870 more the gain would have been 6%.Find the cost price​

Answer 1

Let the cost price is x

6% gain = (100+6)/100

6% loss = (100 - 6) / 100

(106/100)x - (94/100) x = 870

12X = 870

x= rs.10440.

hope this will help