Multiple Choice Questions on Which term of an AP 60 56 52 hellip is zero ........ for NDA Exam Preparation

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Multiple Choice Questions

Which term of an AP 60 56 52 hellip is zero ........

Mathematics (NDA) Arithmetic progression
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    Which term of an AP  60 ,56,52,….. is zero ? 

    10

    Incorrect Answer

    14

    Incorrect Answer

    12

    Incorrect Answer

    16

    Correct Answer
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    Explanation:

    Here , a = 60, d = -4 and l = 0 

    Thus ,     l = a +(n-1)d 

    0 = 60 + (n-1)×(-4) 

    0 = 60 -4n +4 

    4n = 64 

    Or    n = 16 

    By: bhavesh kumar singh
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