Time and Work Questions Practice Question and Answer
8 4 Q:
5d71efc31a67ca4814682e44 4 4 4 4 4 4 4
Q: A can do a piece of work in 20 days and B in 30 days. They work together for 7 days and then both leave the work. Then C alone finishes the remaining work in 10 days. In how many days will C finish the full work?
1103 05d71efc31a67ca4814682e44
5d71efc31a67ca4814682e44- 125 daysfalse
- 230 daysfalse
- 324 daystrue
- 420 daysfalse
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Answer : 3. "24 days"
Q: A can do a piece of work in 15 days and B in 20 days. If they together work it for 4 days, then the fraction of the work that is left is: 1254 05cf0eb770b8bee0fb6178acf
5cf0eb770b8bee0fb6178acf- 1$${8\over 15}$$true
- 2$${7\over 15}$$false
- 3$${1\over 4}$$false
- 4$${1\over 10}$$false
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Answer : 1. "$${8\over 15}$$"
Q: A and B together can complete a work in 10 days. A alone can do it in 40 days. In how many days B alone can complete it? 3327 45d14622a249afd05f7b7b405
5d14622a249afd05f7b7b405- 1\({40\over3}\)true
- 210false
- 38false
- 430/7false
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Answer : 1. "\({40\over3}\)"
Q: 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? 3771 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: Ram can complete ¼ th part of work in 8 days and Shyam can complete 2/4 th of the work in 6 days and Naresh can complete ¾th the work in 12 days. In how many days can they together complete it? 2569 15d147f2b9aeb0a08f1e6721a
5d147f2b9aeb0a08f1e6721a- 1\(6 {11 \over 17 }\)false
- 2\(5 {11 \over 17 }\)true
- 3\(8 {11 \over 17 }\)false
- 4\(7 {11 \over 17 }\)false
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Answer : 2. "\(5 {11 \over 17 }\)"
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? 2529 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 complete a work at four times the speed than C. If together they can complete a work in 20 days, in how many days can A alone complete it? 3194 05d14898c9aeb0a08f1e6745a
5d14898c9aeb0a08f1e6745a- 125true
- 2100false
- 375false
- 480false
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Answer : 1. "25"
Q: Shyam can work at thrice the speed than Naresh. If together they can complete a work in 32 days, in how many days can Naresh alone complete it? 3732 05d148adc9aeb0a08f1e6745f
5d148adc9aeb0a08f1e6745f- 1120false
- 2128true
- 3124false
- 4144false
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Answer : 2. "128"
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