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    Complete the following series. 7D, 15H, 23L, ?
    Question

    Complete the following series.
    7D, 15H, 23L, ?

    A.

    31Q

    B.

    29P

    C.

    33O

    D.

    31P

    Correct option is D

    Given: 7D, 15H, 23L, ?​​
    Logic: Number is increasing + 8 and letter is increasing + 4place.
    For, number
    7 + 8 = 15, 15 + 8 = 23, 23 + 8 = 31
    For, letter
    D + 4 = H, H + 4 = L, L + 4 = P
    So, the missing term is 31P.
    Thus, correct option is (d).

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