Question
If the processes cannot take place simultaneously, what is the minimum time (In hours) required to get one unit of the final product?
ProcessProcess(es) to be completed before the process in column 1P−QP,RR−SQTQ,SUY,T,VVSWV,XXSYP,R
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Answer: Option A
:
Final product is achieved if any of U or W is completed.
To complete U:
P + R + Q + S + T + Y + V + U = 6 + 4 + 7 + 2 + 4 + 14 + 3 + 10 = 50 hours
To complete W:
P + R + Q + S + V + X + W = 6 + 4 + 7 + 2 + 3 + 7 + 9 = 38 hours
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:
Final product is achieved if any of U or W is completed.
To complete U:
P + R + Q + S + T + Y + V + U = 6 + 4 + 7 + 2 + 4 + 14 + 3 + 10 = 50 hours
To complete W:
P + R + Q + S + V + X + W = 6 + 4 + 7 + 2 + 3 + 7 + 9 = 38 hours
∴ The minimum time required to get one unit of final product is 38 hours.
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