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?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

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

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

Find the smallest sentence with all the English alphabet.

You need to arrange three 7 and mathematical symbols to form number 1?

How can you tell a raw egg from a hard-boiled egg?

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?

Can you count the number of quadrilaterals in the picture below?