There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

What 8 letter word can have a letter taken away and it still makes a word. Take another letter away and it still makes a word. Keep on doing that until you have one letter left. What is the word?

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day

I am sure no one can have two things for dinner. what are they?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Why Aeroplane windows are round?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

Why do you find that most of the buildings are deprived of the 13th floor?

What has lots of eyes, but can’t see?