In a certain factory there are five workers A, B, C, D and E. A can complete a work in 4 min, B in 5 min, C in 6 min, D in 10 min and E in 12 min. The average number of units of work completed per worker per minute will be
(a) 0.16 (b) 0.172 (c) 0.80 (d) 0.87
In a certain factory there are five workers A, B, C, D and E. A can complete a work in 4 min, B in 5 min, C in 6 min, D in 10 min and E in 12 min. The average number of units of work completed per worker per minute will be
(a) 0.16 (b) 0.172 (c) 0.80 (d) 0.87
Number of units of work completed by five workers in 1 min.
.
Required average =