A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

There are three houses in a straight row. One is red, one is blue, and one is white. The red house is left of the middle. The blue house is right of the middle. Where's the white house?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

The dirtier I get, the whiter I look. Who am I?

How far can you walk into the woods?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

How many times do a clock's hands overlap in a day ?

Name a key which is hardest to turn.