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

You’re out on the water and see a boat filled with people. You look away for a second and look back again, but this time you don’t see a single person on the boat. Why? Hint: The boat did not sink.

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

How many triangles are there on the puzzle below?

Find the Next Number in the Sequence

2 9 3 1 8 4 3 6 5 7 ?

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 ?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

What is always in front of you but can’t be seen?