W, X & Y are number of stereoisomers for the following compounds A) 1,2-dichloro cyclopropane= W B) 1, 3-dimethyl cyclobutane = X C) 2- bromo 3-chloro butane = Y Hance W+X+Y=__________

W, X & Y are number of stereoisomers for the following compounds A) 1

1.	W, X & Y are number of stereoisomers for the following compounds A) 1,2-dichloro cyclopropane= W B) 1, 3-dimethyl cyclobutane = X C) 2- bromo 3-chloro butane = Y Hance W+X+Y=__________
Answer» SOLUTION :X + Y + Z= 9