Quick Line Worksheet

One day Bob had to visit his relatives. He arrived at the railway station but he was stunned to see so much rush at each counter. To find the line which will end quickest he came up with a trick. He estimated the time taken by a person at each counter and then by the number of travellers in each line, he calculated the total time each line would take. Now help him to find the quickest line among all so that he could visit his relatives at the earliest.