What does this Rebus Picture means ?

In particular commonwealth games, a female participant won silver and gold medals for a single event.

How can this be possible?

The dirtier I get, the whiter I look. Who am I?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

A B C D E F G H

These are the letters given to you. Now you have to find out the letter that comes two to the right of the letter which is immediately to the left of the letter that comes three to the right of the letter that comes midway between the letter two to the left of the letter C and the letter immediately to the right of the letter F.

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

What can you deduce from the following BrainBat?

CRY
LMKI

ENEMY = 2 * LINK
LINK + 2 = HELL

Then what will be TAXI + HELL? Select from the options below:
a) ROTTEN
b) DANGER
c) HEAVEN
4) MORTAL