How can you tell a raw egg from a hard-boiled egg?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

A man and a dog were going down the street. The man rode, yet walked. What was the dog’s name?

Forwards I am heavy, backward I am not. What am I?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

How many words can a pen with half refill write?

I have no life, but I can die. What am I?

What does below Rebus say?

XLR8

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

I am lying and I always lie. Tell me whether I am lying or telling the truth.