Details step by step solution is given in the attached file.It is looking little bit lengthy because
i have performed every step for your better understanding.
is better to know the method to solve this type of questions. And the prerequisite is KVL. you should have knowledge of KVL, rest of the method is above mentioned. Regards.
Ruby negi
I use this formula and kvl only ..according to me,option d is correct... for any query please ask..