Question

    What will come in place of question mark (?) in the following series?

    12, 18, 28, 42, 52,

    ?
    A 62 Correct Answer Incorrect Answer
    B 78 Correct Answer Incorrect Answer
    C 68 Correct Answer Incorrect Answer
    D 72 Correct Answer Incorrect Answer

    Solution

    12 × 1.5 = 18 18 + 10 = 28 28 × 1.5 = 42 42 + 10 = 52 52 × 1.5 = 78

    Practice Next

    Relevant for Exams: