Time and work

Question

4 men and 6 boys earn Rs 1600 in 5 days. 3 men and 7 boys earn Rs 1740 in 6 days. In what time will 7 men and 6 boys earn Rs 3760?

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SSC & Banking Meena Shringi 5 months 2 Answers 164 views 0

Answers ( 2 )

  1. Let a man earn x per day and a boy earn y per day.

    (4x + 6y) = 1600/5 = 320
    (3x + 7y) = 1740/6 = 290
    From these two equations,
    on solving,
    x= 50 and y=20
    So,
    (7x + 6y) = 3760/ n (n is number of days)

    350 + 120 = 3760/n
    n = 8 days

    Best answer

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