I am an odd number. Take away a letter and I become even. What number am I?

Can you solve the below tricky visual equation?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What is the word or phrase below?
R | E | A | D

Why did Navjot Singh Sidhu put the new January calendar in the freezer

You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

Use the digits from 1 up to 9 and make 100.

Follow the rules.
=> Each digit should be used only once.
=> You can only use addition.
=> For making a number, two single digits can be combined (for example, 4 and 2 can be combined to form 42 or 24)
=> A fraction can also be made by combining the two single digits (for example, 4 and 2 can be combined to form 4/2 or 2/4)

Question: how can we do this?

What is black when you buy it, red when you use it, and gray when you throw it away?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

Why blonde cannot dial 911?