Multiple Choice Questions on In a coconut grove x 2 trees yield 60 nuts per year x trees yield 120 nuts per year and x 2 tr........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

In a coconut grove x 2 trees yield 60 nuts per year x trees yield 120 nuts per year and x 2 tr...........

Quantitative Aptitude ( CCS) Average
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     In a coconut grove, (x + 2) trees yield 60 nuts per year, x trees yield 120 nuts per year and (x-2) trees yield 180 nuts per year. If the average yield per year per tree be 100. The value of x is ?

    6

    Incorrect Answer

    10

    Incorrect Answer

    8

    Incorrect Answer

    4

    Correct Answer
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    Explanation:

     Total yield = 60(x+2)+120x+180(x-2)

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

    Average = Total yield/Total trees

    = [60(x+2)+120x+180(x-2)]/3x = 100

    x = 4

    By: Deepak Dawra
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