Q. 24.0( 4 Votes )

Two boys can fini

Answer :

If two boys work together they can finish a work in 10 days

Let the two boys be x & y


x & y’s 1-day work =


x + y = ..eq (1)


first boy (x) can do it in 15 days


x’s 1-day work =


x =


substituting the value of x in eq(1)


x + y =


+ y =


y =


y’s 1-day work =


so, second boy (y) can do a work in 30 days


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