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  1. √ ? / 196 = 72 / 56
    1. 18
    2. 14
    3. 324
    4. 212
Correct Option: C

√ N / 196 = 72 / 56 =9/7
Then, N/196 = 9/7 x 9/7 = 81 / 49
So, N = (81 x 196) / 49 = 324.


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