If Ramesh can buy 3 chocolates for Re. 1 and he has Rs. 10 and if every chocolate comes with a wrapper and by giving 3 wrappers he can get 1 more chocolate, how many chocolates can he buy without leaving any wrapper in hand?
A circular lawn has a radius of 6m. Roses are to be planted around the edges. If they are to be 0.5m apart, how many roses should be planted?