Time and work Practice Question and Answer
8 Q: If efficiency of B increased by $$ {33{1\over 3}{\%}}$$ and A and B start work together, while at the same time C starts destroying the work. Find in how many days work will be completed?
1786 05fd35bebc46a213fc5c5b1b4
5fd35bebc46a213fc5c5b1b4- 136 daystrue
- 248 daysfalse
- 332 daysfalse
- 428 daysfalse
- 530 daysfalse
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Answer : 1. "36 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; 1779 05cf0ec53c97a225730e3b246
5cf0ec53c97a225730e3b246- 14 daysfalse
- 25 daysfalse
- 38 daystrue
- 410 daysfalse
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Answer : 3. " 8 days"
Q: If two persons, with equal abilities, can do two jobs in two days then 100 persons with equal abilities can do 100 similar jobs in
1767 05dd6267f7780ee35515ac582
5dd6267f7780ee35515ac582- 1100 daysfalse
- 210 daysfalse
- 35 daysfalse
- 42 daystrue
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Answer : 4. "2 days "
Q: A and B can complete a work together in 48 days. A is 4 times as work efficient as B. In how many days can B alone complete the work?
1764 0649e802d46047484bc7db969
649e802d46047484bc7db969- 1220 daysfalse
- 2320 daysfalse
- 3240 daystrue
- 4120 daysfalse
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Answer : 3. "240 days"
Q: 12 men complete a work in 18 days. Six days after they had started working, 4 men joined them. How many days will all of them take to complete the remaining work?
1763 05dbfba79656bc31fa3165069
5dbfba79656bc31fa3165069- 110 daysfalse
- 212 daysfalse
- 315 daysfalse
- 49 daystrue
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Answer : 4. "9 days"
Q: 8 men can do a work in 12 days. After 6 days of work, 4 more men were engaged to finish the work. In how many days would the remaining work be completed?
1753 05f043d62d3626553adad6328
5f043d62d3626553adad6328- 14 daystrue
- 25 daysfalse
- 32 daysfalse
- 43 daysfalse
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Answer : 1. "4 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? 1739 05cf0eadb0b8bee0fb6178aca
5cf0eadb0b8bee0fb6178aca- 17.5 daysfalse
- 25.4 daysfalse
- 33.6 daystrue
- 43 daysfalse
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Answer : 3. " 3.6 days"
Q: A and B can do a piece of work in 12 days. B and C in 15 days and C and A in 20 days. If A, B and C work together, they will completer the work in : 1725 05cf0f1db0b8bee0fb6178ad9
5cf0f1db0b8bee0fb6178ad9- 15 daysfalse
- 2$$ 7{5\over 6} \ days$$false
- 310 daystrue
- 4$$ 15 {2\over 3} \ days$$false
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