How many words can a pen with half refill write?

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

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

Can you find out who is the kidnapper in below Picture and why, Explain ?

There is a place where if I stand up straight, I will still be considered sideways.

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

Why Aeroplane windows are round?