Maths Questions and Answers Practice Question and Answer
8 5 Q:
5dfa0e3f36644b47cbafbbda 4 4 4 4 4 4 4
Q: A basket consists of five blue balls, four green balls, two red balls and three yellow balls. Three balls are drawn at random. What is the probability that at least one blue ball is drawn?
1355 05dfa0e3f36644b47cbafbbda
5dfa0e3f36644b47cbafbbda- 1$$ {8\over13}$$false
- 2$$ {9\over13}$$false
- 3$$ {10\over13}$$true
- 4$$ {11\over13}$$false
- 5None of thesefalse
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Answer : 3. "$$ {10\over13}$$"
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? 3364 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? 3823 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? 2635 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? 2563 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? 3231 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? 3816 05d148adc9aeb0a08f1e6745f
5d148adc9aeb0a08f1e6745f- 1120false
- 2128true
- 3124false
- 4144false
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Answer : 2. "128"
Q: A single person takes 4 minutes to type a page, if from 12 noon to 1.00 pm., 1080 pages are to be typed, how many persons should be employed on this job? 4507 05d148d649aeb0a08f1e67464
5d148d649aeb0a08f1e67464- 1108false
- 260false
- 390false
- 472true
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Answer : 4. "72"
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