covers a journey by car in a 4hours. He covers a distance of 71km775m during the firsthour, 56km425m during the secondhour, 80km562m during the thirdhour and 57km574m during the fourthhour. What is the length of his journey.
A poultry farm produced 20x2 - 13x - 19 eggs in a year. It packed 2x2 - 2x - 7 eggs and sent them to market, while 9x2 - 5x - 9 eggs got destroyed. How many eggs are left in the poultry farm?
A train traveling at the speed of 40 kmph leaves the station at 1 pm. Another train leaves the station at 3 pm. If the second train travels at a speed of 50 kmph, then at what time will it catch up with the first train?