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Get access to the detailed solutions to the previous year's questions asked in XAT exam.
As per the given conditions the following details have been mentioned .
Now Since for the months of January , February and March we have crop A for use .
So We select crop A for the months of January and February and earns a profit of USD 40000 . (1)
The author wants to replicate the same schedule for the upcoming years.
So If he wants to use Use crop A for the upcoming years in the month of January we must make sure that the month pf December must
be left empty because we cannot use crop A in the month of November .
Considering crop A and crop B only they could be used from January to September . A period of 9 months . The reason for considering B is that it requires low time frame and relatively higher profits .
If we plan to use only A and B for the period of 9 months we are left with a period of 3 months and since we cannot sow a crop in the month of December and we are left with October and November .No crop can be completely harvested in the period of 2 months .
Hence we must stop using A and B even before the month of September is reached.
While considering a set of crops the choice must be made on the basis of low time period and High Returns .
After February is complete we can extend the crop A once more or twice more which gives us returns of USD 80000 for the period of Jan to April or USD 120000 from Jan to June .
The other case leaves us with taking a gap of 1 month in the month of March and sowing B in April .
If B is sowed in April and May it would provide a return of USD(40000+ 50000) =USD 90000 . (2)
If B is sowed in 2 consecutive sessions of April, May and June, July we earn USD (40000 +100000) = USD 140000 . (3) .
Until the month of August the best choice is sowing A from Jan to Feb , Leaving the land empty for March and sowing crop B from April to July .
After July taking a gap of 1 more month to sow a different crop and make sure the crop is harvested in 3 months since December cannot be used.
The best choice is to sow crop D which is harvested in three months September , October and November and generate a profit of USD 60000 .
The final result is as follows :
