1.

.A can do a piece of work in 9 days while B can do it in 12 days. A and B together can do the work in1). $5\frac{1}{7}$ days2). $5\frac{2}{7}$ days3). $6\frac{1}{7}$ days4). $6\frac{2}{7}$ days

Answer»

$5\frac{1}{7}$ DAYS is the ANSWER



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