There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

I make two people out of one. What am I?

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.

What can you serve, but never eat?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

What does an Island and the letter T have in common?

What does this simple rebus mean?

A gardener planted the Lemon trees in a mathematical ordered way (i.e. he planted a tree in rows).
He created a total of 19 rows of trees.

Note: There should be more than 2 trees to count as a row.

What is the minimum number of trees required by the gardener to have 19 rows of trees?

Find the value of "a" by solving the maths equation in the picture below: