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Question 345

A major manufacturer of popular beverages has appointed a local distributor to serve a specific territory. The demand for the beverages has a pronounced seasonal pattern. The distributor performs well overall, but is repeatedly unable to keep up with fulfilling many customer orders during peak demand periods. The distributor's current delivery capability is stretched to deliver 60 tons of merchandise per day whereas the season's peak demand periods need a daily delivery capability of up to 100 tons.

The distributor is under pressure to fully meet the year-round market demand in order to stay in business. The distributor's management wants to identify and consider more cost-effective options as resorting to adding more trucks and drivers would not be economically feasible.

A business analyst (BA) has spent several days observing and measuring the warehouse activities to understand the situation and to gain insights into possible solutions. The delivery workflow is a four-step process: (1) picking the orders and assembling them on trays, (2) bringing the trays to the loading bay, (3) loading the orders into trucks, and (4) delivering the orders to customers. As the following table illustrates, overall performance depends is dependent on five major resources: (1) the workers who pick the orders and load them into trucks, (2) the tallyers who check the orders, (3) the drivers, (4) the trucks, and (5) eight loading bays (LBs).

Each truck can only make two trips a day. The BA has noticed that only 30% of trips have their orders available for loading when a truck arrives. Otherwise the truck has to wait one extra hour until the orders are picked and brought to the loading bay.

If trucks are the only constraint, approximately how many hours are lost due to this downtime?

    Correct Answer: D

    The distributor has 12 trucks, and each truck makes 2 trips a day, resulting in a total of 24 trips per day. Of these, only 30% have their orders ready for loading when the truck arrives, meaning 70% of the trips are delayed. This 70% translates to 16.8 trips (24 * 0.70). Each delayed trip is delayed by 1 hour, resulting in a total of 16.8 hours lost each day. Therefore, approximately 17 hours are lost due to this downtime.

Discussion
siliconvalleykamOption: D

16.8 , that is 17 will be the answer. Calc Total drivers 12 12*2= 24 trips 70% trip waste 24* 70% = 16.8

Amado

I would say: first trip: 12*70%=8.4 so its 9 trucks= 9 hours same for second trip, so the answer is 18

RishabJaiswal

@Amado 8.4 *2 =16.8

OlivierPaudex

This is exactly why I change my opinion. The total hours (8.4) should be rounded after each trip, means 2*9 = 18 hours

NickManeOption: D

12 trucks, 2 trips a day = 24trips, 30% trips are ok = 24*0,3 = 7,2 so 16,8trips are not ok.. answer is 17hours D)

QualmsOption: D

Option D: 17. First trip, only 30% of the 12 trucks make it, hence, 3.6 trucks. Others have to wait an additional hour, = 8.4hrs. Second trip is same. 8.4hrs x 2 = 16.8hrs. Approx 17 hours

Adaobi_OteksOption: B

Total Hrs= 2*12*14= 336 Total delayed trips= 336*0.7=235.2 235.2/12 trucks= 19.6 hrs. To validate this, remember 14*2 = 28hrs (Total shift hrs for 2 trips.) 19.6/28= 0.7 = 70% delayed trucks.

mdadewaleOption: D

Approximately 17 trips will require a wait of one extra hour per trip, so 17 hours are lost

Farooq_95Option: D

Correct answer is 17 hours (16.8 hours). There are 12 trucks and each makes 2 trips a day. Hence, 24 truck trips are available in a day. Only 30% have orders ready while 70% have to wait for extra 1 hour for order to get ready. Hence, time lost per day is 24 * 70% * 1 hour = 16.8 hours

RabbitsfootOption: D

Scenario is clear - keywords: 'per day' nowhere it makes mentioning of first trip, second trip etc. 12 trucks * 2 trips = 24 trips - 70% delayed = 16.8 delayed trips * 1hr waiting = 16.8hrs delayed and 17 is the closest answer.

Adaobi_OteksOption: B

Total hrs = 2* 12*14= 336 336/12 trucks= 19.6 Which is approx 20.

OlivierPaudexOption: D

Totally disapointed. Answer should be D (16.8 hours), not 18hours ExamTopics, please, correct this !!!!

OlivierPaudex

Apologize but I think the right answer is A (18 hours). You don't have to calculate for 24 trips (12 trucks * 2 delivers), but only for 12 trips, 2 times in a day, which make a big difference, cause the hours are rounded after the first trip. 1st trip : 70% of 12 trips = 8,4 hours (9 hours are lost) 2nd trip : Same, 9 hours are lost Total : 18 hours A truck can lost 1 or 2 hours a day, depending if he has to wait or not.

saeeddddddOption: D

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