When can we add 2 to 11 and get 1 as the correct answer?

What breaks yet never falls, and what falls yet never breaks?

An American nightclub called 'The Coconut Grove' had a terrible fire in which over 400 people died. A simple design flaw in the building led to a high death toll. Subsequently, regulations were changed to ensure that all public buildings throughout the country eliminated this one detail, which proved deadly. What was it?

Why do people go to bed?

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?

What is the riddle which can be asked all day with a different correct answer each time.

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

What does this rebus means ?

Chocolate costs 6 rupees and a Toy costs 5 rupees. If you have 32 rupees in total, how many chocolates and how many Toys can be purchased with that amount?