How many words can a pen with half refill write?

Can you name an animal whose killing cannot be performed without spilling your own blood?

What's a single-digit number with no value?

Identify the 10 differences between the two given pictures.

If a wheel has 54 spokes, how many spaces are there between the spokes?

Can you tell a 3D object that has just two surfaces?

Before Mount Everest was discovered, what was the highest mountain in the world?

John Went to the nearby store in a Mall to buy something for her home. Below is the conversation between the two:

John: How much for the one?
Shopkeeper: It is $2
John: How much for the Eleven?
Shopkeeper: It is $4
John: How much for the Hundred?
Shopkeeper: It is $6.

What is John buying?

Can you find a rabbit in the given picture?

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?