Can you count the number of blocks in the picture below?
Can you discover the missing number in this series? 37, 10, 82 29, 11, 47 96, 15, 87 42, ?, 15
If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?
why number 8549176320 is one of a kind?
The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?
If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age. How old will John be two years from now?
What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?
What has 88 keys?
'Ferrari driver' easily beats the 'force driver' in a two-car race. How did Indian newspapers truthfully report so to look as a 'force drive' had outdone the 'Ferrari driver'? Think!!!
How many times do a clock's hands overlap in a day ?
Can you name an animal whose killing cannot be performed without spilling your own blood?
The inventor of the Rubik’s Cube didn’t realize he’d built a puzzle until he scrambled it the first time and tried to restore it.