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?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?

A woman is sitting in her hotel room and hears a knock at the door. She opens the door to see a man whom she’s never met before. He says, “I’m sorry, I have made a mistake, I thought this was my room.” He then goes down the corridor and into the elevator. The woman goes back into her room and calls security. What made the woman so suspicious of the man?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Why 1729 is a magic number? Answer Logically.

If two's company, and three's a crowd, then whats four and five ?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?