What is both possible and impossible at the same time?

Suppose we lay down two cups in front of you. One of the cups is filled with tea and the other one with coffee. Now we ask you to take a spoonful of tea and mix it with the coffee. At this moment, the coffee cup has a mixture of tea and coffee. You have to take that mixture (spoonful) and add it back to the tea.

Can you now tell if the cup of coffee has more tea or the cup of tea has more coffee?

How many cubic feet of dirt are in a hole of one foot deep, three feet long, and two feet wide?

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

Find the last number in the series below:

voN luJ yaM raM ---

Can you identify the hidden rebus in the image below?

What has 13 hearts but no other organs?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

What does this simple rebus mean?

Three fair coins are tossed in the air and they land with heads up. Can you calculate the chances that when they are tossed again, two coins will again land with heads up?