A man bought an article and sold it at a gain of 5%. If he had bought it at 5% less and sold it for Rs 1 less, he would have made a profit of 10%. The C.P. of the article was:
Rs 100
Rs 150
Rs 200
Rs 350
Rs 500
CP1 = 100 , SP1 = 105
CP2 = 95
P = 10%
SP2 = 104.5
Difference = .5%
.5% = 1 , 100% = 200