Points A and B are 90 km apart from each other on a highway. A car starts from A and another from B at the same time. If they go in the same direction they meet in 9 hours and if they go in opposite directions they meet in 9/7 hours. Find their sppeds.
ON SELLING A TEA SET AT 5% LOSS AND A LEMON SET AT GAIN OF 15% A CROCKERY SELLER GAINS RS 7 .IF HE SELLS THE TEA SET AT 5% GAIN AND THE LEMON SET AT 10% GAIN , HE GAINS RS 13.THE ACTUAL PRICE OF THE LEMON SET IS