How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

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?

Solve the rebus riddle in the picture below.

A woman named Maria was at the funeral of her mother. She met a nice young man that she had never seen before and after the service, they spent a bit of time together. Then she got busy and didn’t get his name or phone number before he left. She tried to find him, but no one knew who he was or how to contact him. A few weeks later, Maria’s older sister dies and the police suspect murder. Who killed the sister?

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

Two in a corner, one in a room, zero in a house, but one in a shelter. What am I?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

How many triangles are there on the puzzle below?