Question

In a coconut groove, (x+2) trees yield 60 nuts per year, x trees yield 120 nuts year and (x-2) trees yield 180 nuts per year. If the average yield per year is per tree be 100. Then the value of x is

Answer 1

total yield= 60(x+2)+120x+180(x-2).  

Total number of trees = x-2+x+x+2=3x.  

Average = total yield/total trees = 4.

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