What is in seasons, seconds, centuries and minutes but not in decades, years or days?

what does the below math rebus puzzle mean?

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

Which part of London exists in France as well ?

I look at you, you look at me I raise my right, you raise your left. What am I?

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

10+10 and 11+11 can give you the same answer.

Explain how?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?