It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

What can run but never walk, have a mouth that never speaks, have a head that never weeps, and have a bed but never sleeps?

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

What will you call your mother's brother's brother-in-law?

Be active and find the killer in the picture Riddle below.

Why is 6 afraid of 7?

Why is it against the law for a man living in Delhi to be buried in Mumbai?

A time long back, there lived a king who ruled the great kingdom of Trojan House. As a part of the renovation of the kingdom to meet future security needs, he asked his chief architect to lay down a new play in a manner that all of his 10 castles are connected through five straight walls and each wall must connect four castles together. He also asked the architect that at least one of his castles should be protected with walls. The architect could not come up with any solution that served all of King's choices, but he suggested the best plan that you can see in the picture below. Can you find a better solution to serve the king's demand?

In a fruit store, there was a unique weighing machine that was made to weigh only cherries and strawberries as they were priced the same.

Other fruits like watermelons or mango had different machines as they were expensive.

A man successfully buys watermelons at the price of cherries. How?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?