A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396. What is the sum of the three digits?
Count the number of squares in the picture below.
Until it is measured, not known. Yet how you miss it when it has gone. What is it?
There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?
Why is it very easy to weigh a fish?
Why do we preferably have round manhole covers and not square ones?
What goes through cities and fields, but never moves?
Can you think of any three-dimensional shape that comprises of exactly two surfaces?
You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth. How long would it take for the machine to cut the roll if each cut took 4 secs?
Which is the correct shadow of the bird?
What has one eye, but can’t see?
The word ladder puzzle was invented by Lewis Carroll, author of Alice’s Adventures in Wonderland.