Column-I		Column-II
I)	${\mathrm{CH}}_4\mathrm{and}{\mathrm{C}}_{10}{\mathrm{H}}_{22}$	A)	Functional isomers
II)	${\mathrm{CH}}_3-\mathrm{O}-{\mathrm{CH}}_2-{\mathrm{CH}}_2-{\mathrm{CH}}_3\mathrm{and}{\mathrm{C}}_2{\mathrm{H}}_5-\mathrm{O}-{\mathrm{C}}_2{\mathrm{H}}_5$	B)	Homologues
III)	${\mathrm{C}}_2{\mathrm{H}}_5{\mathrm{NH}}_2\mathrm{and}{\mathrm{CH}}_3{\mathrm{NHCH}}_3$	C)	Chain isomers
IV)	${\mathrm{CH}}_3{\mathrm{CHOHCH}}_3\mathrm{and}{\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{OH}$	D)	Metamers
		E)	Positional isomers

Correct match is

(I)  .   .   . Differ in molecular formula, belong to same homologous series .  .  .  Homologues

(II)  .   .  . Isomers having different alkyl groups on both sides of bivalent functional group .  .  .  Metamers

(III)  .  .  . Isomers differing in their functional group .  .  .  Functional isomers

(IV)  .  .  . Isomers differing in the position of functional group .  .  .  Positional isomers