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Q:
A and B can do a piece of work in 20 days and 12 days respectively. A started the work alone and then after 4 days B joined him till the completion of the work. How long did the work last?
1383 0

Answer : 2. "10 days"

Q: A can do a piece of work in 6 days and B in 9 days. How many days will both take together to complete the work? 1726 0

Answer : 3. " 3.6 days"

Q: A can cultivate $${2\over 5}$$ of a land in 6 days and b can cultivate $${1\over 6}$$ of the same land in 10 days. Working together A and B can cultivate $${4\over 5}$$ of the land in; 1770 0

Answer : 3. " 8 days"

Q: A and B can do a piece of work in 72 days. B and C can do it in 120 days. A and C can do it in 90 days. In how many days all three together can do the work ? 1686 0

Answer : 3. " 60 days"

Q: A, B and C can complete a work in 10, 15 and 20 days respectively. A and B start it together. B is replaced by C after 2 days. A leave it after one more day. In how many days work was completed? 3015 0

Answer : 2. " $13 {1 \over 13 }$"

Q:
A, B and C can complete a piece of work in 10, 12, and 15 days respectively, They started the work together. But A left the work before 5 days of its completion. B also left the work 2 days after A left. In how many days was the work completed?
1513 0

Answer : 3. "7 days"

Q:
A and B together can do a piece of work in 12 days which B and C together can do in 16 days. After A has been working at it for 5 days and B for 19 days, C finishes it in 7 days. In how many days B could finish the whole work?
1667 0

Answer : 1. "48 days "

Q:
A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in-
1071 0

Q: A and B can do a piece of work in 20 days and 12 days respectively. A started the work alone and then after 4 days B joined him till the completion of the work. How long did the work last? 1383 05ef18d6f8022cc4acbbe9f2e

Answer : 2. "10 days"

Q: A can do a piece of work in 6 days and B in 9 days. How many days will both take together to complete the work? 1726 05cf0eadb0b8bee0fb6178aca

Answer : 3. " 3.6 days"

Q: A can cultivate $${2\over 5}$$ of a land in 6 days and b can cultivate $${1\over 6}$$ of the same land in 10 days. Working together A and B can cultivate $${4\over 5}$$ of the land in; 1770 05cf0ec53c97a225730e3b246

Answer : 3. " 8 days"

Q: A and B can do a piece of work in 72 days. B and C can do it in 120 days. A and C can do it in 90 days. In how many days all three together can do the work ? 1686 05cf0f244c97a225730e3b25d

Answer : 3. " 60 days"

Q: A, B and C can complete a work in 10, 15 and 20 days respectively. A and B start it together. B is replaced by C after 2 days. A leave it after one more day. In how many days work was completed? 3015 05d1485969aeb0a08f1e67225

Answer : 2. " \(13 {1 \over 13 }\)"

Q: A, B and C can complete a piece of work in 10, 12, and 15 days respectively, They started the work together. But A left the work before 5 days of its completion. B also left the work 2 days after A left. In how many days was the work completed? 1513 05d71f0d9e70d464ce7165103

Answer : 3. "7 days"

Q: A and B together can do a piece of work in 12 days which B and C together can do in 16 days. After A has been working at it for 5 days and B for 19 days, C finishes it in 7 days. In how many days B could finish the whole work? 1667 05e8ff0a061b7c13fb88fcb81

Answer : 1. "48 days "

Q: A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in- 1071 05f6326843366f3388365dc5e

Answer : 3. "12 days"

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Q:
A and B can do a piece of work in 20 days and 12 days respectively. A started the work alone and then after 4 days B joined him till the completion of the work. How long did the work last?
1383 0

Q: A can do a piece of work in 6 days and B in 9 days. How many days will both take together to complete the work? 1726 0

Q: A can cultivate $${2\over 5}$$ of a land in 6 days and b can cultivate $${1\over 6}$$ of the same land in 10 days. Working together A and B can cultivate $${4\over 5}$$ of the land in; 1770 0

Q: A and B can do a piece of work in 72 days. B and C can do it in 120 days. A and C can do it in 90 days. In how many days all three together can do the work ? 1686 0

Q: A, B and C can complete a work in 10, 15 and 20 days respectively. A and B start it together. B is replaced by C after 2 days. A leave it after one more day. In how many days work was completed? 3015 0

Q:
A, B and C can complete a piece of work in 10, 12, and 15 days respectively, They started the work together. But A left the work before 5 days of its completion. B also left the work 2 days after A left. In how many days was the work completed?
1513 0

Q:
A and B together can do a piece of work in 12 days which B and C together can do in 16 days. After A has been working at it for 5 days and B for 19 days, C finishes it in 7 days. In how many days B could finish the whole work?
1667 0

Q:
A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in-
1071 0