What is the longest word in the dictionary?

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?

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

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

What shoe company does this rebus represent?

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

I am an odd number. Take away a letter and I become even. What number am I?

In the following picture, E is going to slide the object down and as per the terrain and the physics, the round object is going to travel all the way till the end. Now, can you analyze who all people will die when it happens?

What does the below rebus riddle means?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?