Vinod sold a watch to Alex at a gain of 12%and Alex had to sell it to Shweta at a loss of5%.If shweta paid Rs.1330 for it, how much did Vinod pay for the watch?
C.P.for Shweta = Rs.1330or S.P. for Alex =Rs.1330loss%=5%∴C.P.for Alex=S.P.×100100−loss%=1330×100100−5=Rs.1330×10095=Rs.1400or S.P. for Vinod=Rs.1400Gain=12%∴C.P.for Vinod=S.P.×100100+gain%=Rs.1400×100100+12=Rs.1400×100112=Rs.1250∴Vinod purchased this watch for =Rs.1250 Ans.