If 3 cats can kill 3 rats in 3 minutes, how long will it take 100 cats to kill 100 rats?

Answer: 3 minutes

More Math Riddles with answers

More Math Riddles

If 3 salesmen can sell three cars in seven minutes, how many cars can six salesmen sell in seventy minutes?
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
If 6 doubloons are worth 1 1/2 ducats, how many ducats are 27 doubloons worth?
If half of 5 were 3, what would one-third of 10 be?
If it is two hours later, then it will take half as much time till it's midnight as it would be if it were an hour later. What time is it?
If it takes four rat catchers four minutes to kill four rats, how many rat catchers would be needed to catch 50 rats in 50 minutes?
If Mr. Flynn is 90 centimeters plus half his height, how tall is he?
If seven people meet each other and each shakes hands only once with each of the others, how many handshakes will there have been?
If the zookeeper had 100 pairs of animals in her zoo and if two pairs of babies are born for each and every one of the original animals, and then sadly 23 animal don’t survive, how many animals do you have left in total?
If two hours ago, it was as long after one o'clock in the afternoon as it was before one o'clock in the morning, what time would it be now?
If two is a company and three is a crowd, what are four and five?
If two's company and three's a crowd, what are four and five?