People are waiting in line to board a 100-seat aeroplane. Steve is the first person in the line. He gets on the plane but suddenly can't remember what his seat number is, so he picks a seat at random. After that, each person who gets on the plane sits in their assigned seat if it's available, otherwise, they will choose an open seat at random to sit in. The flight is full and you are last in line. What is the probability that you get to sit in your assigned seat?

Which number should replace the question mark?

Name a key which is hardest to turn.

You have a roll of cloth 1km long. You have a machine which cuts this roll into pieces of 10-meter-long cloth.

How long would it take for the machine to cut the roll if each cut took 4 secs?

Solve this riddle by finding the odd one out from the rest.

It belongs to you, but other people use it more than you do. What is it?

Do you know who was buried in John's tomb?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?