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

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?

An express train takes 3 seconds to enter the tunnel which is 1 km long.
If it is travelling at 120 km an hour, how long will it take to pass completely through the tunnel?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

What four weights can be used to balance from 1 to 30 pounds?

My grandson is about as many days as my son in weeks, and my grandson is as many months as I am in years. My grandson, my son and I together are 120 years. Can you tell me my age in years ?

How many letters are in the alphabet?

What always comes into a house through the keyhole?

Teacher ask the student

'Why are you standing on that chair in music class ?'.

what did student replied ?

What has many keys but can’t open a single lock?