How many words can a pen with half refill write?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

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

How can you make a TV, a bed, a dog, and a car liquid?

What can you catch but never throw?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

Can you count the number of squares in the given picture?