Question

11. A takes 6 days more than B to finish a work. If they together do the same work in
12. A and B can do a work in 20 days. B and C can do the same work together in 30 days A
many days will B alone complete the same work?
(b) 18
(c) 9
(d) 180
days, in how
7.
(a) 24
(e) None
of these​

Answer 1

Answer:

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