What happened when the wheel was invented?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

In the figure that has been attached to this question, each digit represents a digit. The similar letters carry the same integer value. Can you expose the original digits?

what does this picture(rebus) riddle means ?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

I am a ten letters word
The first four letters have the power to rule,
Next, four-letter can be eaten.
The next three-letter represents a lady.
I can fly as well

what am I looking for?

Which wheel of car does not rotate when you turn your car right?

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

What number divided by 4 is the same as that number minus 4?

Two batsman each on 94 runs. Seven runs needed to win in last 3 balls. Both make 100*. How?