Question

One fourth of a herb of deer has gone to the forest one third of the total no is grazing in a field and remaining 15 are drinking water on the bank of river.Find the total no of deer

Answer 1

let the no of deers = x

One fourth of a herb of deer has gone to the forest

no of deer gone to the forest=1/4 of x=x/4

one third of the total no is grazing in a field

no of deers grazing in a field=1/3 of x=x/3

15 are drinking water on the bank of river
therefore,


x/4+x/3+15=x

(3x+4x+180)/12=x

7x+180=12x

180=12x-7x

180=5x

5x = 180

x=180/5

x=36

no of deers = 36

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Answer 2

Let the total number of deer be x

A/Q,

1/4x + 1/3x + 15 = x
3x + 4x + 180 = 12x
5x - 180 = 0
5x = 180
x = 36

Total number of deer = 36

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