A man has eighty-one cows ( numbered 1,2,3...81 as such). The beauty is that cow no. 1 gives 1ltr of milk, cow no. 2 gives 2ltrs of milk and so on. The man wants to equally distribute the cows among his nine sons so that each one of them gets the same quantity of milk.

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?

Count the squares in the matchstick puzzle below?

why number 8549176320 is one of a kind?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

Can you move 2 matchsticks to form four equal sized squares.

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

If I put in one bird per cage, I have one bird too many. If I put in two bird per cage, I have one cage too many. How many cages and birds do I have?