Time and work Practice Question and Answer
8Q: Ratan can complete a work in \(5 {1 \over 2}\) days while Rupesh can complete it in \(10 {1 \over 2}\) days. In how many days can they both complete it working on it together? 4539 25d147c239aeb0a08f1e67215
5d147c239aeb0a08f1e67215- 1\(3 {39 \over 64 }\)true
- 2\(4 {39 \over 64 }\)false
- 3\(5 {39 \over 64 }\)false
- 4\(6 {39 \over 64 }\)false
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Answer : 1. "\(3 {39 \over 64 }\) "
Q: 8 men and 4 women together can complete a piece of work in 6 days. Work done by a man in one day is double the work done by a woman in one day. If 8 men and 4 women started working and after 2 days, 4 men left and 4 new women joined, in how many more days will the work be completed?
1922 05e4d0d49dfffd759fd0cb8c0
5e4d0d49dfffd759fd0cb8c0- 15 daystrue
- 28 daysfalse
- 36 daysfalse
- 44 daysfalse
- 59 daysfalse
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Answer : 1. "5 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? 1738 05cf0eadb0b8bee0fb6178aca
5cf0eadb0b8bee0fb6178aca- 17.5 daysfalse
- 25.4 daysfalse
- 33.6 daystrue
- 43 daysfalse
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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; 1776 05cf0ec53c97a225730e3b246
5cf0ec53c97a225730e3b246- 14 daysfalse
- 25 daysfalse
- 38 daystrue
- 410 daysfalse
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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 ? 1698 05cf0f244c97a225730e3b25d
5cf0f244c97a225730e3b25d- 180 daysfalse
- 2100 daysfalse
- 360 daystrue
- 4150 daysfalse
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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? 3024 05d1485969aeb0a08f1e67225
5d1485969aeb0a08f1e67225- 113false
- 2\(13 {1 \over 13 }\)true
- 3\(18 {4 \over 3 }\)false
- 418false
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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?
1524 05d71f0d9e70d464ce7165103
5d71f0d9e70d464ce7165103- 14 daysfalse
- 25 daysfalse
- 37 daystrue
- 48 daysfalse
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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?
1674 05e8ff0a061b7c13fb88fcb81
5e8ff0a061b7c13fb88fcb81- 148 daystrue
- 224 daysfalse
- 316 daysfalse
- 412 dayfalse
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