What can you deduce from the following BrainBat?

CRY
LMKI

What English word has three consecutive double letters?

Only one color, 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?

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

If two's company, and three's a crowd, then whats four and five ?

Can you identify the direction in which this bus is moving; left or right?

Hint: The bus is moving on the roads of London.

I can be cracked, made, told, and played. What am I?

What is the four-digit number in which the first digit is one-third the second, the third is the sum of the first two, and the last is three times the second?

Spot the cat in the picture 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?