Questions

The panchatantra was written by Vishnu sharma, an Indian scholar during the period of Gupta rule. It is during 3rd Century BCE.

An object at rest may have Potential energy.

Lean Manufacturing: catching the concept of JIT(Just-in-time) and re-examines it from the client point of view. Anything that is made should put something of valuable to the client’s requirement. For example, if you are manufacturing stereo system for a luxury car, you will imagine from the customer point of view like space occupancy, durability, sound quality, medium or loud sound, etc.

  JIT (Just-in-Time):  This methodology is described to provide that a product or part would arrive just in time to be used. This method saves the price of the unused inventory, and eject the need of piling up inventory.    

Exactly 24 times.

Jean-Jacques Rousseau (1712–1778), in his influential 1762 treatise The Social Contract, outlined a different version of social contract theory, as the foundations of political rights based on unlimited popular sovereignty.

You have to actually count all the balls in the pyramid.
Simple way is to count the balls in each level.

So lower most level lets say 1st level has 4 x 4 balls; i.e. 16 balls
Similarly 2nd level has 3 x 3 balls; i.e. 9 balls.
3rd level has 2 x 2 balls; i.e. 4 balls.
The top most level has just 1 ball.

So the total number of balls is 16+9+4+1 = 30.

So the image has 30 Balls in all.