Ordinal utility approach postulation that utility

1. Can be measured
2. Need not be measured
3. Can't be measured
4. Rank his order of preference 

The assumption of revealed preference theory states that conusmer has to choose 

If the marginal rate of substitution is increasing, the indifference courve will be

Under which condition consumer is in a state of Equilibrium

ഇപ്പോഴത്തെ റിസേർവ് ബാങ്ക് ഗവർണ്ണർ ആര് ?

Which one of the following is not a recommendation of fourteenth finance commission?