IBPS Clerk Prelims 2015 Paper

(b) Here, the given numbers are:
517   325   639   841   792
After reversing the numbers become as follows:
715   523   936   148   297
When arranged in descending order the numbersbecome as follows:
936   715   523   297   148
Now, the third number from top is 523. Hence, the lastdigit of 523 is 3.