An intelligent trader carries 3 sacks having 30 coconuts each. On the way he passes through 30 checkpoints. On every checkpoint he has to give one coconut each from each sack. How many coconuts does he have left?
Sam has 3000 bananas. He had to take them to market 1000 km away on his only camel. The camel can only carry 1000 bananas at a time. The camel eats 1 banana for every 1km it travels. What is the maximum number of bananas that Sam can take to the market?