AP Police SI Exam Prelims 2018 Paper 1 (Mental Ability)

Chandu takes twice as much time as Avinash and thrice as Satish to finish a piece of work. Together they can finish the work in a day. Chandu started that work and after 2 days he left it. The time (in hours) needed for Avinash and Satish to finish the remaining work together is: