Total number of four membered ring compounds(structural only) possible with the formula, C5H10 is ‘X’. Total number of three membered ring compounds(structural only) possible with the formula, C5H10 is ‘Y’. Difference between X and Y is

(1)Number of structurally isomeric alkenes = 5 ;(2)Number of structurally isomeric cycloalkanes = 5 ;(3)Number of structural isomers = 10 ;(4)Number of acyclic stereo isomers = 2 ;cis 2-pentene and trans 2-pentene ;(5)Number of cyclic stereo isomers = 3 ;cis 1,2-dimethyl cyclopropane(meso) and trans 1,2-dimethyl cyclopropane(d and l) ;(5)Number of stereoisomers = 5 ;(6)Number of acyclic isomers = 6 ;(7)Number of cyclic isomers = 7 ;(8)Total number of isomers =13 ;