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Number Series

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Direction: In the following number series only one is wrong. Find out the wrong number.

  1. 18, 20, 23, 32, 48, 73, 109
    1. 20
    2. 23
    3. 32
    4. 48
    5. 73
Correct Option: A

The series is 18 +12 = 19; 19 + 22 = 23; 23 + 32 = 32;
32 + 42 = 48; 48 + 52 = 73 + 62 = 109


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