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Discussion :: Percentage

  1. If population of certain city increases at the rate of 5%. If population in 1981 was 138915, then population in 1978 was?
    2. A.
    1,20,000
    B.
    1,10,000
    C.
    1,00,000
    D.
    90,000

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    Answer : Option A

    Explanation :

    X * (105/100) * (105/100) * (105/100) = 138915
    X = 138915/1.157625
    X = 120000

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