What does does this rebus picture means ?

Can you find out which options fits best with the missing column?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

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

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

Which tank will fill first?

Below rebus represent famous DiCaprio movie. Can you name it?

Create a number using only the digits 4,4,3,3,2,2,1 and 1. So i can only be eight digits. You have to make sure the ones are separated by one digit, the twos are separated by two digits the threes are separated with three digits and the fours are separated by four digits

There was a greenhouse.
Inside the greenhouse, there is a white house.
Inside the white house, there is a red house.
Inside the red house, there are lots of babies.

What is It?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?