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

What 5-letter word typed in all capital letters can be read the same upside down?

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

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

What is black when you buy it, red when you use it, and gray when you throw it away?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

A clock loses 10 minutes each hour. If the clock is set correctly at noon, what time is it when it reads 3 PM?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

I sleep during the day and fly at night, but I have no feathers to aid my flight. What am I?