Subject :NSO Class : Class 8
Calorific values of some fuels are given:
On the basis of this data, find out the correct order of efficiency of fuels.
A LPG > CNG > Diesel > Coal
B Coal > Diesel > LPG > CNG
C Diesel > CNG > Coal > LPG
D CNG > LPG > Diesel > Coal
It should be option be, right?