If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

Optical Illusion: A cat is hiding in plain sight in the backyard. Only the most observant eyes can spot the cat in 7 seconds. Can you? Test your eye power now!

Find the next number in the series.
1 10 24 43 67 ?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

Can you find the key in the picture below?

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?