If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

A man always keeps a spare tyre in his car. To make full use of all the five tyres, he changes the tyres in a manner that for a distance of 1, 00,000 km, each of them runs the same distance.

Can you calculate the distance travelled by each tyre on that journey?

What kind of tree can you carry in your hand?

If eleven plus two equals one, what does nine plus five equal?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

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?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

What is the next number in the series?

15 29 56 108 208 ?