If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

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?

A man dies of old age on his 25 birthday. How is this possible?

Give it food and it will live; give it water and it will die.

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

Can you count the number of squares in the given picture?

A mules travels the same distance daily.
I noticed that two of his legs travels 10km and the remaining two travels 12km.
Obviously two mules legs cannot be a 2km ahead of the other 2.

The mules is perfectly normal. So how come this be true ?

You Throw The Outside, Cook The Inside
Eat The Outside, Throw The Inside.

What Is It?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?