Multiple Choice Questions on The sum of two given numbers P and Q is 56 Their LCM and HCF is 96 and 8 respectively Fin........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The sum of two given numbers P and Q is 56 Their LCM and HCF is 96 and 8 respectively Fin...........

Quantitative Aptitude ( CCS) LCM, HCF
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     The sum of two given numbers P and Q is 56. Their LCM and HCF is 96 and 8 respectively. 
    Find the sum of 1/P + 1/Q

    1/96

    Incorrect Answer

    7/97

    Incorrect Answer

    7/96

    Correct Answer

    1/99

    Incorrect Answer
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    Explanation:

    Tip: If A and B are two numbers,
    A x B = HCF of A and B x LCM of A and B
    Let numbers be P and Q
    Also, P + Q = 56 and PQ = HCF x LCM = 8 x 96
    1/P+1/Q=(P+Q)=56/(8x96)=7/96

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