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.

There is a five-letter word which has 3 consonants(all are same) and 2 different vowels.
Also, something wrong is associated with the word.

Can you name it?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10

What does it mean?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

A spaceship was lost. The detective was given a piece of paper. This was the location of the spaceship! This is what the slip had scribbled on it:
Juice, Umbrella, Potato, Ice, Tomato, Elephant, Rice.

Where is the spaceship?

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

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

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