Which alphabet letter is a question?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

You can see three almost identical images below. Can you spot the odd one out from them?

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?

On rolling two dices (six-sided normal dice) together, what is the probability that the first one comes up with a 2 and the second one comes up with a 5?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

Can you find out who is the kidnapper in below Picture and why, Explain ?

What is the fastest way to double your money?

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?