what does the below rebus means?

John is asked to stand behind Jacob and Jacob is asked to stand behind John. Both of them feel confused about it and don't know what to do?

But it is quite possible, do you know how?

Replace The Question Mark Below With the Correct Number.

2 {38} 3
4 {1524} 5
6 {3548} 7
8 {????} 9

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

A man dies of old age on his 25 birthday. How is this possible?

1 rabbit saw 9 elephants while going to the river. Every elephant saw 3 monkeys going toward the river. Each monkey had 1 parrot in each hand. How many animals are going towards the river?

I am something people love or hate. I change peoples appearances and thoughts. If a person takes care of them self I will go up even higher. To some people I will fool them. To others I am a mystery. Some people might want to try and hide me but I will show. No matter how hard people try I will Never go down. What am I?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?