Question
If 6 women can complete a work in 3 days, and 9 girls
can complete the same work in 2 days, then find the time taken to complete the same work by 8 women and 6 girls?Solution
6 women can complete a work = 3days 1 woman can do a work = 6×3=18days 9 girls can complete the same work=2days 1girl can do a work = 2×9=18days AB 1818 18T.W 11 Efficiency (8 women and 6 girls) can do this work = 18/8×1+6×1 =18/14=9/7days.
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