$\begin{array}{1 1}(a)\;CH_2=CH-CH_2\;and\;CH_3-CH_2-CH_2\\(b)\;CH=CH-CH_2\;and\;CH_2-CH_2-CH_2\\(c)\;CH_2=CH-CH_3\;and\;CH_3-CH_2-CH_3\\(d)\;\text{None of these}\end{array}$
