What's the only room from which no one can enter or leave

Find the number of squares in the below-given picture.

Transform the word THINK into BRAIN while changing only one letter at a time in a manner that each of the word in the process is a real word!!!

Jim has three close friends at his school: Michael, John and Alice. Two of them play football, two play basketball and two play hockey. The friend who does not play hockey does not play basketball as well. The friend who does not play football does not play hockey.

Can you identify which sport/s is played by which person?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Can it be possible to build a house that has all its four walls facing towards the South?

The doctor prescribed you to take one pill from the bottle every half an hour. The bottle is now left with only three pills.

How long do you think you have before you run out of pills?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

When monkey rotate the gear, which mark will be hit 1 or 2 ?