Replace the question mark with the correct number in below Picture:

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

The centre of the third figure is empty. What digit should fit inside?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

A man desired to get into his work building, however he had forgotten his code.
However, he did recollect five pieces of information
* Fifth number + Third number = 14
* The fourth number is one more than the second number.
* The first number is one less than twice the second number.
* The second number and the third number equals 10.
* The sum of all five numbers is 30.

What is the code ?

What is the word or phrase?

Where do you go to learn how to make ice cream?

All of the flowers I have are orchids except two. All of the flowers I have are hibiscuses except two. All of the flowers I have are roses except two.

Can you tell me how many flowers I have?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?