Question

    Find the missing number (?) in the given number series

    21, 28, 39, 52, ?, 88

    A 69 Correct Answer Incorrect Answer
    B 75 Correct Answer Incorrect Answer
    C 87 Correct Answer Incorrect Answer
    D 93 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    28−21=7 39−28=11 52−39=13 69 - 52 = 17 88−69=19 So, the missing number is 69.

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