74) "A" takes 8 days to finish a work. The same work can be finished by "B" in 6 days and "C" can finish it by 4 days. How many days A, B and C together will take to finish the work?
Answer is:
24/13 days
Related ISRO Technician-B Plumber Question Paper - 2017 (Set - 1) with Answer Key
Answer is: