Question

twenty caravans are traveling across the desert one day apart.the first carvan reached the oasis and the camels drank haly of the water in the pool. on the 2nd day , the second carvan reached the oasis and thecamels drank one-third of water that was lest . on the third day , the camels in the third carvan drank one quater of thewater was lest.on the first day the pool contained 1050m3 of water.how much water was left after the 20th carvan passed through.

Answer 1

SBI have to add and multiply