What is wrong in the below Picture?

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

What is next number in the pattern below:

131 517 192 123 ?

Using the clues below, what four numbers am I thinking of?

The sum of all the numbers is 31.
One number is odd.
The highest number minus the lowest number is 7.
If you subtract the middle two numbers, it equals two.
There are no duplicate numbers.

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

Find the combined weight of the Cat, Dog and Rabbit in the given picture.