Look at the picture and find out which square is not linked with any of the other squares.

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

How many letters are in the alphabet?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

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

Pronounced as one letter,
And written with three,
Two letters there are,
And two only in me.
I am double, I am single,
I am black blue and grey,
I am read from both ends,
And the same either way.

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