Our product and our sum always give the same answer. Who are we?

What number comes next in the series?

5 15 5 18 5 24 14 20 _

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

Why is it very easy to weigh a fish?

How can you take 2 from 5 and leave 4?

Identify the 10 differences between the two given pictures.

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Can it be possible to build a house that has all its four walls facing towards the South?

How many letters are in the alphabet?