Question

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

    15 25 40 65 ?

    195
    A 110 Correct Answer Incorrect Answer
    B 115 Correct Answer Incorrect Answer
    C 150 Correct Answer Incorrect Answer
    D 120 Correct Answer Incorrect Answer
    E 130 Correct Answer Incorrect Answer

    Solution

    15 × 2 - 5 = 25 25 × 2 - 10 = 40 40 × 2 - 15 = 65 65 × 2 - 20 = 110 110 × 2 - 25 = 195

    Practice Next