What does below Rebus say?

XLR8

Find the next number in the sequence

5 12 24 36 ?

Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

A bomb goes off.
Carnage.
One person, only a few feet away, survives! How can this be?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

A donkey is behind another donkey
I'm behind that second donkey
But there is a whole nation behind me

It is a murder you can describe in a word.

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Which statement is true out of the following?
One statement here is false.
Two statements here are false.
Three statements here are false.

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?