Mathematics
6 men and 8 boys can finish a piece of work in 14 days while 8 men and 12 boys can do it in 10 days. Find the time taken by one man alone and by one boy alone to finish the work.
Related Questions
A man sold a chair and a table for ₹ 2,178, thereby making a profit of 12% on the chair and 16% on the table. By selling them for ₹ 2,154, he gains 16% on the chair and 12% on the table. Find the cost price of each.
A man travels 600 km partly by train and partly by car. If he covers 120 km by train and the rest by car, it takes him 8 hours. But if he travels 200 km by train and the rest by car, he takes 20 minutes longer. Find the speed of the car and that of the train.
A lady has 25-P and 50-P coins in her purse. If in all she has 80 coins totalling ₹ 25, how many coins of each kind does she have ?