A boy was locked in a room by some robbers. All that is in the room is a piano, a calendar, and a bed. The room is locked from the outside. What does he eat, drink, and how does he escape and get out?

Using eight eights and addition only, can you make 1000?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

The LCD device should be able to tell the right time in the format HH:MM: SS in a 12-hour format. You can refer to the picture to get an idea. The device is a simple "level indicator" which has to be converted into a watch. How will you program it to work?

There was a strange boy who was born before his father. How can this be possible?

How can you tell a raw egg from a hard-boiled egg?

John enters a small room. The Door Closes.
When the door opens, John is in a larger room.

Explain?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?