Multiple Choice Questions on 49 times 49 times 49 times 49 7 ........ for CDS Exam Preparation

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Multiple Choice Questions

49 times 49 times 49 times 49 7 ........

Quantitative Aptitude (CDS) Algebra
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    49 × 49 × 49 × 49 = 7?

    4

    Incorrect Answer

    7

    Incorrect Answer

    8

    Correct Answer

    16

    Incorrect Answer
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    Explanation:

    From the given equation :
    49 × 49 × 49 × 49
    ⇒ (72 × 72 × 72 × 72)
    ⇒ 7(2 + 2+ 2+ 2)
    ⇒ 78
    So, the correct answer is 8.

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