sbi po mock 20,reasoning,no.66.I gave the right answer and that was also same with the explanation ,but it is marked as wrong in the evaluation.I have faced this problem in a few other mock questions too.

Hi Krittika,
We are extremely sorry for the inconvenience caused to you. We will change it as soon as possible. Can you please tell us the other questions in which you found the similar anomaly. We are working on improving our testing process to ensure that no error creeps in. We are apologetic about your experience and will try our best to not let that repeat in future.
Thanks