What will you call your mother's brother's brother-in-law?

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?

You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

Why is the longest human nose just 11 inches?

What is the next number in the series?

15 29 56 108 208 ?

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

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=