Convert the following ratios into percentage
a) 5:4
b) 3:5

2 The marked price of a ceilling fan is Rs. 1250 and the shopkeeper allows a discount of 6% on it. Find selling price of a fan.  3 Sahana sells two watches for Rs. 1955 each gaining 15% on one and losing 15% on the other. Find her gain or loss percent in the whole transaction.  4 By selling a T-shirt Rs. 216, a shopkeeper, loss 4%. What will be the actual price of a T-shirt?  5 Mohan bought a CD for Rs. 750 and sold it for Rs. 875. Find his gain percent?