a) 15 b) 16 c) 18 d) 25 Answer: b Explanation: Ratio of times taken by Sakshi and ...
View QuestionA, B and C can complete a piece of work in 24, 6 and 12 days respectively. Working together, they will complete the same work in:
a) $$\frac{1}{{24}}$$ day b) $$\frac{7}{{24}}$$ day c) $$3\frac{3}{7}$$ days d) 4 days Answer: c Explanation: $$\eqalign{ & (A ...
View QuestionRavi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages?
a) 7 hours 30 minutes b) 8 hours c) 8 hours 15 minutes d) 8 hours 25 minutes
View QuestionA is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days?
a) 11 days b) 13 days c) $$20\frac{3}{{17}}$$ days d) None of these Answer: b Explanation: $$\eqalign{ & ...
View QuestionX and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last?
a) 6 Days b) 10 Days c) 15 Days d) 20 Days Answer: b Explanation: ...
View Question10 women can complete a work in 7 days and 10 children take 14 days to complete the work. How many days will 5 women and 10 children take to complete the work?
a) 3 b) 5 c) 7 d) Cannot be determined Answer: c Explanation: $$\eqalign{ & 1\,woman's\,1\,day's\,work ...
View QuestionP can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If both P and Q work together, working 8 hours a day, in how many days can they complete the work?
a) $$5\frac{5}{{11}}$$ b) $$5\frac{6}{{11}}$$ c) $$6\frac{5}{{11}}$$ d) $$6\frac{6}{{11}}$$ Answer: a Explanation: $$\eqalign{ & {\text{P}}\,{\text{can}}\,{\text{complete}}\,{\text{the}}\,{\text{work}} ...
View QuestionA and B can together finish a work 30 days. They worked together for 20 days and then B left. After another 20 days, A finished the remaining work. In how many days A alone can finish the work?
a) 40 b) 50 c) 54 d) 60 Answer: d Explanation: $$\eqalign{ & ...
View QuestionA and B together can complete a piece of work in 8 days, B alone can complete that work in 12 days. B alone worked for four days. After that how long will A alone takes to complete the work ?
a) 15 days b) 18 days c) 16 days d) 20 days Answer: c Explanation: L.C.M. of total work ...
View QuestionA and B together can do a piece of work in 8 days, B and C together in 10 days, while C and A together in 6 days, if they all work together the work will be completed in ?
a) $${\text{3}}\frac{3}{4}\,{\text{days}}$$ b) $${\text{3}}\frac{3}{7}\,{\text{days}}$$ c) $${\text{5}}\frac{5}{{47}}\,{\text{days}}$$ d) $${\text{4}}\frac{4}{9}\,{\text{days}}$$ Answer: c Explanation: In these type of questions, always take ...
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