Multiple Choice Questions on What is the HCF of 9 10 12 15 18 35 and 21 40 is ........ for Combined Bank PO and Clerical Exams Preparation

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Multiple Choice Questions

What is the HCF of 9 10 12 15 18 35 and 21 40 is ........

Quantitative Aptitude(Banking) LCM, HCF
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    What is the HCF of 9/10,12/15, 18/35 and 21/40 is :

    3/5

    Incorrect Answer

    252/5

    Incorrect Answer

    1/280

    Correct Answer

    63/700

    Incorrect Answer
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    Explanation:

    HCF for fractions = HCF of Numerators / LCM of Denominators
    HCF of 9/10,12/15, 18/35

    and 21/40=HCF (9,12,18,21) / LCM (10,15,35,40)

    = 3/840=1/280

    Hence, option 3 is the correct answer.

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