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?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

I have two sand hourglasses:
1. A 7 minute one and
2. An 11-minute one.

Using just these 2 sand hourglasses, how can I measure time as 15 minutes?

You have two rectangular wires.

Both of them have property that when you light the fire from one end , it will take 60 minutes to get completely burn.

However, they do not burn at consistent speed (i.e it might be possible 1st 20% burn in 50 minutes and 80% can burn in 10 minutes).

So how could you measure 45 minutes ?

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

Why are all black people so quick ?

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

Can you name an animal whose killing cannot be performed without spilling your own blood?