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  1. The missing number in the series 8, 24, 12, 36, 18, 54, .... is —
    1. 27
    2. 108
    3. 68
    4. 72
Correct Option: A

The pattern of series is given :
× 3 , ÷ 2 , × 3 , ÷ 2 , × 3 , ÷ 2 ...

Hence, 27 will come in the blank space.


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