Can you replace the question mark with the correct number in the below table sequence?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

What animal walks on four legs in the morning, two legs during the day, and three legs in the evening?

Oedipus, the king of Thebes, figured out the answer to the riddle:

I can sizzle like bacon,
I am made with an egg,
I have plenty of backbone, but lack a good leg,
I peel layers like onions, but still remain whole,
I can be long, like a flagpole, yet fit in a hole.

What came first, the chicken or the egg?

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

An equation has been laid down using a few matchsticks. However, as you can see, the equation is not correct. Can you correct the equation if you are allowed to add or remove 5 matchsticks?

If EELS + MARK + BEST + WARY = EASY

What does HELP + BARK + WARD + LEAD equal?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

A blonde put eyeliner on her head. Why?