F.P.S and M.K.S. system of units

Assertion : S.I. units are logical and coherent . Reason : S.I. system of units is a rationalised system.

If the unit of force is 100 N, unit of length is 10m and unit of time is 100 s, what is the unit of mass in this system of units ?

The density of a material in C.G.S. system is 8g/ cm^3 . In a system of units in which unit of length is 5 cm and unit of mass is 20g. What is the density of the material?

Speed of light in SI system is 3xx10^8 m/s. What is the speed of light in a new system of units in which unit of length is x km and unit of time is Y millisecond?

Relative density of a liquid is 0.8. What its density in (i) C.G.S. system (ii) S.I. unit.

The relative density of lead is 11.3. What is its density in (1) C.G.S system (2) S.I. unit?

In the S.I. system, the unit of energy is-

What are the units of density in (i) C.G.S and (ii) S.I. system?

How the S.I. unit and C.G.S. unit of force are related ?

Fill in the blanks by suitable of units 1kg m^(2)s^(2) =_________g cm^(2)s^(2)