Can you find the six hidden animals in the picture below?

Can you name an animal whose killing cannot be performed without spilling your own blood?

Why is a river so rich ?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Birbal was jester, counsellor, and fool to the great Moghul emperor, Akbar.
The villagers loved to talk of Birbal's wisdom and cleverness,
and the emperor loved to try to outsmart him.
One day Akbar (emperor) drew a line across the floor.
"Birbal," he ordered, "you must make this line shorter, but you cannot erase any bit of it."
Everyone present thought the emperor had finally outsmarted Birbal.
It was clearly an impossible task.
Yet within moments the emperor and everyone else present had to agree that Birbal had made the line shorter without erasing any of it.
How could this be?

Why are televisions attracted to people?

Can you find the key in the picture below?

Your last good ping-pong ball fell into a narrow metal pipe embedded one foot deep in concrete.
How can you get it out undamaged, if all the tools you have are your tennis paddle, shoe laces, and plastic water bottle, which does not fit into the pipe?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?