How can you take 2 from 5 and leave 4?

What has a bottom at the top?

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?

How can you leave a room with two legs and return with six legs?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135

I am lying and I always lie. Tell me whether I am lying or telling the truth.

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Prove that the below maths equation is true.

8 + 8 = 91

Can you find the key in the picture below?

Can you find the missing letter in the sequence?
S - T - I - L - ? - T - F - Y - C