Question

a watch sold at a profit of 6% yields rs 870 more than when it is sold at a lost of 6% find its cp

Answer 1

may this works for u

Answer 2

It is told that 6% profit = 6% loss + 870 Let cp = x So 6% loss 6=x-sp/sp *100 (formula for loss%) So sp=94x/100 Similarly sp when profit=106x/100 From above equation, 106x/100 = 94x/100 + 870 Find x to get cp.