What do you answer even though it never asks you questions?

What happened when the wheel was invented?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

What does this rebus riddle means ?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

Decode below three cipher riddles:

26 L of the A
7 D of the W
1000 Y in a M

using four eights (8) and a one (1) and one mathematical symbol , create the number 100