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

1 Answer

127 votes

Number of units of work completed by five workers in 1 min.

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Required average =

127 votes

127