Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

Which wheel of car does not rotate when you turn your car right?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

How many words can a pen with half refill write?

Can you count the number of triangles in the given figure?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

By what process could you make a 'Tea-Table' into food?

Solve the alphametic puzzle by replacing the alphabet with the number.

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What is 3/7 chicken, 2/3 cat and 2/4 goat?