What does the below rebus riddle means?

Count the number of squares in the picture below.

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

What is harder to catch the faster you run?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

Below, you will find the mathematical proof that 10 equals 9.99999?. But is that possible or there is something wrong about it? Can you find the error?

x = 9.999999...
10x = 99.999999...
10x - x = 90
9x = 90
x = 10

There are three Athletes (John, Tarun and Harish) and their individual Coaches (Jacob, Meenaxi and Priyanka) standing on the shore.
No Coach trusts their Athlete to be near any other Coach unless they are also with them.
There is a boat that can hold a maximum of two persons.
How can the six people get across the river?

Our product and our sum always give the same answer. Who are we?

An office is divided into 8 cubicles. How many of the cubicles are painted if only 1/8 of the cubicles are painted?

Which wheel of car does not rotate when you turn your car right?