Replace the question mark with the correct number.

If you were to put a coin into an empty bottle and then insert a cork into the neck, how could you remove the coin without taking out the cork or breaking the bottle?

Shyla was sleeping in her apartment when suddenly a robber broke into her house. He asked her to stay quiet and started looting the cash and jewelry. Suddenly the landline phone started ringing. The robber pointed a gun at Shyla and asked her to pick up and talk without giving away the situation.

She picked up the phone and it happened to be her husband. She spoke, Is it an emergency darling? Do give me a call when your flight lands, I will prepare your favorite food that will help you relieve the stress. Then she hanged up.

10 minutes after, the police arrive at the scene and catch the robber. How did the police know about the robbery?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

You have a square. What you have to do is cut and reassemble the square such that you create a Red Cross sign that has the same volume as that of the square.