A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Can you spot the man between the coffee bean in the picture below ?

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

You and your two friends are working in a multinational company. How can you three find out the average salary of you all without disclosing your own salary to the other two?

What can you deduce from the following BrainBat?

CRY
LMKI

There is a shop where written:
Buy 1 for $1
10 for $2
100 for $3
I needed 999 and still only paid $3. How could this be financially viable for the shop-keeper?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

Count The number of F's in the paragraph below:

"FINISHED FILES ARE THE RESULT OF YEARS OF SCIENTIFIC STUDY COMBINED WITH THE EXPERIENCE OF YEARS"