Replace the question mark with the correct number.

It is raining today at 11:59 am. What is the probability of sunny weather after 72 hours?

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

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

I have branches, but no fruit, trunk or leaves. What am I?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

What jumps when it walks and sits when it stands?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

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?