Question

    Find the missing number in the following number series:

    21         24          22        

    25       23         ? 
    A 30 Correct Answer Incorrect Answer
    B 26 Correct Answer Incorrect Answer
    C 28 Correct Answer Incorrect Answer
    D 32 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    21 + 3 = 24 24 - 2 = 22 22 + 3 = 25 25 - 2 = 23 23 + 3 =  26

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