I know a country, If you remove the last alphabet of its name, it will become a part of your body. Do you name it?

John is a strange liar.

He lies on six days of the week, but on the seventh day, he always tells the truth.

He made the following statements on three successive days:

Day 1: "I lie on Monday and Tuesday."
Day 2: "Today, it"s Thursday, Saturday, or Sunday."
Day 3: "I lie on Wednesday and Friday."

On which day does John tell the truth?

100 prisoners are stuck in the prison in solitary cells. The warden of the prison got bored one day and offered them a challenge. He will put one prisoner per day, selected at random (a prisoner can be selected more than once), into a special room with a light bulb and a switch which controls the bulb. No other prisoners can see or control the light bulb. The prisoner in the special room can either turn on the bulb, turn off the bulb or do nothing. On any day, the prisoners can stop this process and say "Every prisoner has been in the special room at least once". If that happens to be true, all the prisoners will be set free. If it is false, then all the prisoners will be executed. The prisoners are given some time to discuss and figure out a solution. How do they ensure they all go free?

What month of the year has 28 days?

Solve the equation in the image by looking at the pattern closely.

What goes up but never comes down?

Always in you, Sometimes on you;

If I surround you, I can kill you.

What am I?

Imagine you are in a room with no windows or doors. How will you get out?

In the picture given below, can you find out which digit will take place of the question mark?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?