Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

Identify the hidden meaning behind this picture?

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?

Buy me, smell me or deliver me, I do not change.

Who am I?

Who is generally closer to the kids, mom or dad?

(it's a funny riddle)

What does the below rebus riddle means?

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?

What do you think with the below Picture ?

With the help clues provided in the image, can you find the 5 digit key?