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    Select the pair that follows the same pattern as the given two pairs. Both pairs follow the same pattern. HQL: ISO DGS: EIV
    Question

    Select the pair that follows the same pattern as the given two pairs. Both pairs follow the same pattern.
    HQL: ISO

    DGS: EIV

    A.

    KFS:SAU

    B.

    BIR:CKU

    C.

    BTS:DFG

    D.

    MDR:OPS

    Correct option is B

    Information Given:
    Pairs:
    HQL → ISO
    DGS → EIV

    Logic:
    1st letter +1, 2nd letter +2, 3rd letter +3.

    Explanation:
    Logic: Apply increasing shift.

    HQL → ISO
    H +1 = I
    Q +2 = S
    L +3 = O ✔

    DGS → EIV
    D +1 = E
    G +2 = I
    S +3 = V ✔

    Check options:

    A: KFS → SAU
    K→S (+8) ✖

    B: BIR → CKU
    B→C (+1) ✔
    I→K (+2) ✔
    R→U (+3) ✔

    C: BTS → DFG
    B→D (+2) ✖

    D: MDR → OPS
    M→O (+2) ✖

    Short Trick:
    Check pattern +1, +2, +3 for 1st, 2nd, 3rd letters.

    Final Answer:
    BIR → CKU

    Final Correct Option:
    B

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