The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

If you’ve got me, you want to share me; if you share me, you haven’t kept me. What am I?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

A 52% bias toss for head using the 51% tail bias coin was done to obtain a fair result.

Can you find how bias is the floor in this case?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

Some friends went on a vacation to a resort. It was raining heavily and it kept raining for thirteen days.

When it rained in the morning, the afternoon was beautiful and when it rained in the afternoon, the day was blessed with a clear morning.

Overall, the friends experienced eleven nice mornings and twelve nice afternoons. Can you find out the number of days they spent on vacation?

The centre of the third figure is empty. What digit should fit inside?

A crime was committed at baker street. Ibrahim Dakota who was shot in the stomach was the main suspect. Sherlock questioned the suspect. The conversation started as:
Sherlock: What's your story, Ibrahim?
Ibrahim: I was walking around baker street and suddenly a man from the back shot me. I ran as fast as I could to save my life".
Sherlock: That is enough (and ask the police to arrest him).

Why does Sherlock think he is the murderer?