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[" (a) "9(1)/(5)" days "],[" (a) " "(1)/...

[" (a) "9(1)/(5)" days "],[" (a) " "(1)/(6)" twice as much time as "B" or thrice as much time to finish a piece of work."],[" A takes twice as much can finish the work in "2" days.B can do the work alone in "],[" working together,they can finish the work in "2" days.B can do the work alone in : "],[[" (a) "4" days "," (b) "6" days "," (c) "8" days "," (d) "12" days "]]

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