A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

10+10 and 11+11 can give you the same answer.

Explain how?

When monkey rotate the gear, which mark will be hit 1 or 2 ?

The host of a game show offers the guest a choice of three doors. Behind one is an expensive car, but behind the other two are goats.
After you have chosen one door, he reveals one of the other two doors behind which is a goat (he wouldn't reveal a car).

Now he gives you the chance to switch to the other unrevealed door or stay at your initial choice. You will then get what is behind that door.

You cannot hear the goats from behind the doors, or in any way know which door has the prize.

Should you stay, or switch, or doesn't it matter?

Count the number of balls in picture below:

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

What does this rebus mean?

O
N
C
E
TIME

There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?

What does below chemistry rebus means?

The following question it puts forth you:

25 - 55 + (85 + 65) = ?

Then, you are told that even though you might think it's wrong, the correct answer is actually 5!

Whats your reaction to it? How can this be true?