Question

one fourth of the deer has gone to the forest.one third of the total number is grazing in the field and remaining 15 are drinking water in the bank of the river.find the total number of deer

Answer 1

let the total no. be x
so, deer in forest=x/4
deer grazing=x/3
deer drinking water=15
x/4+x/3+15=x
(3x+4x+180)/12=x
7x+180=12x
12x-7x=180
5x=180
x=180/5
x=36
so, there are total 36 deers

Answer 2

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