What do you call a fish without an eye?

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

You are provided with a grid (as shown in the picture). Can you fill the squares with numbers 1-8 in a manner that none of the two consecutive numbers are placed next to each other in any direction (vertically, horizontally or diagonally?)

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

A King wants to send the diamond ring to his girlfriend securely. He got multiple locks and their corresponding keys. His girlfriend does not have any keys to these locks and if he sends the key without a lock, the key can be copied in the way. How can King send the ring to his girlfriend securely?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

It can't be seen, can't be felt, can't be heard, and can't be smelt.
It lies behind stars and under hills, And empty holes it fills.
It comes first and follows after, Ends life, and kills laughter.
What is it?

I am an odd number. Take away a letter and I become even. What number am I?

I’m tall when I’m young, and I’m short when I’m old. What am I?