Multiple Choice Questions on 710 ndash 5 10 is divisible by ........ for CDS Exam Preparation

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Multiple Choice Questions

710 ndash 5 10 is divisible by ........

Quantitative Aptitude (CDS) Number System
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    710 – 5 10 is divisible by

    5

    Incorrect Answer

    7

    Incorrect Answer

    10

    Incorrect Answer

    12

    Correct Answer
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    Explanation:

    The dividend is in the form an - bn

    Here n is even => 710 − 510 is divisible by both (7 + 5) and (7 – 5)

    => 710 − 510 is divisible by 12 and 2. Hence, it is divisible by 12 and 2.

    By: Munesh Kumari
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