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

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

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

Is the statement valid that it does not matter how much older a sibling is, eventually the younger one will be half as old as the older one?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

Find out the missing number in the picture attached:

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

What kind of band never plays music?