Which number should replace the question mark?

Find the hidden tiger in the given optical illusion ?

What number comes next in this sequence:
7 8 5 5 3 4 4 _

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.

Can you find the mistake in the below statement?

John, Jack and Jill are in a desert. John doesn't like Jill and hence decides to murder him. He poisons the water supply of Jill. Since it is a desert area, Jill must drink or he will die of thirst.

Jack does not know of the actions of John and also decides to murder Jill. To succeed in his ill motives, he removes the water supply of Jill so he dies of thirst.

Jill dies due to thirst. Who murdered Jill?

I can write cow in 13 letters.

Can You?

Make a sentence consisting of three words that have the whole alphabet.

There is something which is always coming but never arrives?

What number comes next in the series?

5 15 5 18 5 24 14 20 _