Who are the happiest people in IPL match?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?

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

How can this be possible?

A bank customer had $100 in his account. He then made 6 withdrawals. He kept a record of these withdrawals, and the balance remaining in the account, as follows:

Withdrawals Balance left
$50 $50
$25 $25
$10 $15
$8 $7
$5 $2
$2 $0
----- -----
$100 $99

Why are the Totals not tallying?

By what process could you make a 'Tea-Table' into food?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Below, you can see some coding:
January = 1017
February = 628
March = 1335
April = 145
May = 1353
June = 1064
July = 1074
August = 186

Now deciphering the way it has been coded, can you find out how September will be coded?

Solve the rebus riddle in the picture below.

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?