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

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

In the image given, you can find several triangles. Can you count them all?

Find the hidden tiger in the given optical illusion ?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?

How many triangles can you find in this given picture?

You have to fill the below given grid in a manner that every row and column contains the digits 1 to 6. Also, make sure that the squares that are connected with each other must contains the same digit.

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

A bus driver was heading down a street in Mexico. He went right past a stop sign without stopping, he turned left where there was a "no left turn" sign, and he went the wrong way on a one-way street. Then he went on the left side of the road past a cop car. Still - he didn't break any traffic laws. Why not?