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(a)  Total number of POS present in a CH4 molecule. (b)  Total number of POS present in trans-1,4-dichloro cyclohexane (c)  Total number of POS present in half chair form of cyclohexane. (d)  Total number of POS present in cyclopropane. Write answer of part (a), (b), (c) & (d) in the same order and present the four digit number as answer sheet. For example : If all these answer are 9 then fill 9999 sheet.