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

Before Mount Everest was discovered, what was the highest mountain in the world?

You have $100 with you and you have to buy 100 balls with it. 100 is the exact figure and you can't go below or above the numbers and you have to use the entire $100. If there is no kind of tax applied how many of each of the following balls will you be able to buy:

Green Balls costing $6
Yellow Balls costing $3
Black Balls costing $0.10

Now, how many of each must you buy to fulfil the condition given?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

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

How Come ??

Which alphabet is a part of our body?

Once while in his court, King Akbar asked Birbal to write something on a wall that makes one sad when read in good times and makes one happy when read in sad times.

He took only a few moment and wrote something that fit the requirements. What did he write?

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?

Solve the following series:
AZ, GT, MN, __, YB

Move four matchsticks to the below square to form three squares?