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

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

What number comes next in the series?

5 15 5 18 5 24 14 20 _