By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

We are a group of eight brothers. We consider the weak, yet we protect the king in every battle. If we move ahead, we never turn back. Who are we?

Two trains start at the same time, one from Bangalore to Mysore and the other from Mysore to Bangalore. if they arrive at their destinations one hour and four hours respectively after passing one another, how much faster is one train running than the other?

A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father. How old is the daughter now?

Give it food and it will live; give it water and it will die.

Forwards I am heavy, backward I am not. What am I?

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

What can you catch but never throw?

81 x 9 = 801. What must you do to make the this equation true?