Question

X can complete a piece of work in 30 h and
Y can complete it in 24 h. In how many
hours will it be completed if they work
together?
(1) 14.33
(2) 16.33
(3) 13.33
(4) 15.33​

Answer 1

Answer:

X can complete a piece of work in → 30 hour = 1/30 Hour

Y can complete it in → 24hour = 1/24 hour

how many

how manyhours will it be completed if they work

how manyhours will it be completed if they worktogether → 1/30+1/24 = 9/120 = 3/40 = 0.075 =

Answer 2

Answer:

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