CBSE Class 10 Answered
A besieged garrison of 600 men have provision to last 35 days at a certain rate of issue. How long would the provision last if the garrison were reinforced by 300 men and the daily allownce per men reduced in the ratio 5:6?
Asked by 2806rahul | 25 Oct, 2010, 12:00: AM
Expert Answer
Dear Student,
Let the original daily allowance per man be M units.
Therefore, total provision = 35 x 600 x M units. = 21000 x M units.
Now, when the garrison is increased by 300 men, and daily allowance is reduced to 5/6 of the original, let us assume that provision last for D days.
Therefore,
21000 x M = (600 + 300) x 5/6 x M x D
=> 21000 x M = 900 x 5/6 x M x D
=> D = 21000 / 750
=> D = 28 days.
Hence the provision will last for 28 days.
Regards TOpperlearning.
Answered by | 25 Oct, 2010, 10:44: PM
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