Question

You need to cross a desert of 1700 km length with your car. Car has a capacity of 50 ltr and runs 20km/ltr. There is a petrol pump before the desert and no petrol available inside the desert. You don’t have any container, so can’t carry any petrol with you. However there are fixed containers at every place in desert where you can load/unload any amount of petrol and can travel front or back. Assuming that nothing gets vaporized and there is no transmission loss while loading/unloading, what is the minimum petrol required to cross the desert.

Answer 1

85 litres of min. petrol u need to cross the dessert

Answer 2

85 LITERS OF minimum petroleum is needed to cross the desert