The quantities which are measurable are called

The constant quantity which is used to measure the physical quantity is called

In F.P.S. system, the unit of length is 

In F.P.S. system, the unit of mass is 

In F.P.S. system, the unit of time is 

In M.K.S. system, the unit of time is

In M.K.S. system, the unit of mass is

In M.K.S. system, the unit of length is

In C.G.S. system, the unit of mass is

In C.G.S. system, the unit of length is