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A can do a piece of work in 24 days. If B is 60% more efficient than A, then the number of days required by B to do the twice as large as the earlier work is (a) 24 (b) 36 (c) 15 (d) 30 Please also share the solution!

    • Posted by Kshitiz Upadhyay 6 years ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Gourisankaran M. P 5 years, 10 months ago

    60/100*24=14.4*2=28.8 which is approximately nearer to 30 therefore it is the answer

    1Thank You

    Aashish Gaurav 6 years ago

    Efficiency of b is 60% more than A ,so it takes 60% less time in doing the work. So, B can finish the work in 15 days. A/q B will complete the double work in 30 days

    1Thank You

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