Tuhin and Pranab can individual complete a job in 42 minutes and 70 minutes respectively. Starting with Tuhin the work alternately for a minute each work is completed only the one working at the end allowed to work for less than a minute in his final turn. How long will it take the due to complete the work?

• A. 53 min
• B. 52 min 24 s
• C. 52 min 30 s
• D. 52 min 40 s