Can you find the thief by just looking at the picture below?

Replace the question mark with the correct number.

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

What is the fastest way to double your money?

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

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Which is the rope you never skip with?

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

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

Aman has 1.15 rupees in his pocket. There are a total of 6 coins in his pocket.

When his friend asked him for a change, he could not give change for a rupee and five paisa.

Can you tell which coins he has?