Multiple Choice Questions on Three piece of timber 42 m 49 m and 63 m long have to be divided into planks of the same length What........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

Three piece of timber 42 m 49 m and 63 m long have to be divided into planks of the same length What...........

Quantitative Aptitude ( CCS) LCM, HCF
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    Three piece of timber 42 m, 49 m and 63 m long have to be divided into planks of the same length. What is the greatest possible length of each plank?

    7 m

    Correct Answer

    14 m

    Incorrect Answer

    42 m

    Incorrect Answer

    63 m

    Incorrect Answer
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    Explanation:

    The maximum possible length = (HCF of 42, 49, 63) = 7

    Hence, option 1 is the correct answer.

    By: Amit Kumar
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