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    Which of the following number will replace the question mark (?) in the given series?55 , 104 , 140 , 165 , ?
    Question

    Which of the following number will replace the question mark (?) in the given series?

    55 , 104 , 140 , 165 , ?

    A.

    181

    B.

    192

    C.

    185

    D.

    174

    Correct option is A

    Given: 55 , 104 , 140 , 165 , ?
    Logic: Difference of two constitutive number is increasing from 49,36,25,16(Which are square number of respective number-: 7,6,5,4)
    Explanation:
    104-55=49
    140-104=36
    165-140=25
    Similarly
    ?-165=16
    ?=16+165
    ?=181
    Thus, Option A is the correct answer.

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