Move four matchsticks to the below square to form three squares?

Using four sevens (7) and a one (1) create the number 100. Except for the five numerals, you can use the usual mathematical operations (+, -, x, :), root and brackets ()

Find the missing number in the sequence below:

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?

Can you decipher the two rows to find the hidden word?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

French Police inspects a room where there are no windows, no doors, no tables and is almost empty expect there is just a puddle of water. They found a dead man who obviously hung herself from the ceiling, but they are not able to figure out how this had happened.

John and Jacob entered the crime scene and easily able to solve the case.

How did the man die?

Which five letter word can be added at the end of below word to form a
valid word?

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