How can a man go eight days without sleep?

John is selling fruits.
He sells grapes at $30, Dates $25, and a Wolfberry $45.
At what price does he sell fig?

PS: Logical Thinking

Which part of London exists in France as well ?

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

When you say goodbye, I am what you need to tie.
I come as a couple and go wherever you run.
Who am I?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

I am not a bull but I have horns.
I am not an ass but I have a pack saddle.
Wherever I go, I leave silver behind me.

Who am I?

The following four words might seem abrupt to you. But you can make them meaningful by just adding vowels.
RDSH
GGPLNT
TMT
NN

Hint: All of them are vegetables.

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?