6. A and B separately do a work in 10 and 15 days respectively. They worked together
162 ICSE Understanding Mathematics - VIII
for some days and then A completed the remaining work in 5 days. For how man
days had A and B worked together?
ploto a piece of work, how lone
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4
Answer:
3 days
Step-by-step explanation:
A and B worked together for 3 days
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Answer:
3 days
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