Multiple Choice Questions on The value of C 7 0 C 7 1 C 7 1 C 7 2 C 7 6 C 7 7 zwnj is zwnj ........ for NDA Exam Preparation

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Multiple Choice Questions

The value of C 7 0 C 7 1 C 7 1 C 7 2 C 7 6 C 7 7 zwnj is zwnj ........

Mathematics (NDA) Permutation & Combination
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    The value of [C(7,0)+C(7,1)]+[C(7,1)+C(7,2)]+...+[C(7,6)+C(7,7)]‌ is‌

    254

    Incorrect Answer

    255

    Incorrect Answer

    256

    Correct Answer

    257

    Incorrect Answer
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    Explanation:

    8 C 1 + 8 C 2 + ......... 8 C 7
    = 2 8 – 2 = 254

    By: Munesh Kumari
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