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     EduGorilla 
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    The sum of 20C8 + 20C9 + 21C10 + 22C1123C11 is

    Options :-

    1. 23C10
    2. 23C12
    3. 0
    4. 23C10
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Reply To: The sum of 20C8 + 20C9 + 21C10 + 22C11 – 23C11 is….
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