Question

In a garrison there are provisions for 1500 soldiers for 40 days when consumption per day per soldier is 800 grams. If 500 more soldiers join and consumption per day per soldier is increased by 200 grams, how long will the provisions last?​

Answer 1

let the number of days be A

Now by unitary method,

1500 x 40 x 800 = 2000 x A x 1000

A = (15 x 4 x 4)/10 = 3 x 2 x 4 = 24 days

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Answer 2

Step-by-step explanation:

800 solder finish food in 60 days

when 400 more solders added than food will finish =

1200

800

×60=40days