a) 200 liters b) 350 liters c) 456 liters d) 567 liters Answer: d Explanation: ...
View QuestionA is 60% more efficient than B. In how many days will A and B working together complete a piece of work which A alone takes 15 days to finish?
a) $$\frac{{124}}{{13}}$$ days b) $$\frac{{113}}{{13}}$$ days c) $$\frac{{108}}{{13}}$$ days d) $$\frac{{120}}{{13}}$$ days Answer: d Explanation: Given, A is ...
View QuestionAn employee pays Rs. 26 for each day a worker and forfeits Rs. 7 for each day he idle. At the end of 56 days, if the worker got Rs. 829, for how many days did the worker remain idle?
a) 21 days b) 15 days c) 19 days d) 13 days Answer: c Explanation: His Per day pay ...
View QuestionA does half as much work as B in one -sixth of the time.If together they take 10 days to complete a work, how much time shall B take to do it alone?
a) 13.33 days b) 20 days c) 30 days d) 40 days Answer: d Explanation: Given, $${\text{A}} \times \frac{1}{6} = ...
View QuestionThree men A, B, C working together can do a job in 6 hours less time than A alone, in one hour less time than B alone and in one half the time needed by C when working alone. Then A and B together can do the job in:
a) $$\frac{2}{3}$$ hours b) $$\frac{3}{4}$$ hours c) $$\frac{3}{2}$$ hours d) $$\frac{4}{3}$$ hours Answer: ...
View QuestionTwo pipes A and B can fill a tank in 36 min. and 45 min. respectively. Another pipe C can empty the tank in 30 min. First A and B are opened. After 7 minutes, C is also opened. The tank filled up in:
a) 39 min. b) 46 min c) 40 min. d) 45 min. Answer: b Explanation: Pipe A ...
View QuestionA and B working separately can do a piece of work in 9 and 15 days respectively. If they work for a day alternately, with A beginning, then the work will be completed in:
a) 9 days b) 10 days c) 11 days d) 12 days Answer: c Explanation: ...
View QuestionThree taps A, B and C together can fill an empty cistern in 10 minutes. The tap A alone can fill it in 30 minutes and the tap B alone in 40 minutes. How long will the tap C alone take to fill it?
a) 16 minutes b) 24 minutes c) 32 minutes d) 40 minutes Answer: b ...
View QuestionTwo pipes can fill the cistern in 10hr and 12 hr respectively, while the third empty it in 20hr. If all pipes are opened simultaneously, then the cistern will be filled in:
a) 7.5 hr b) 8 hr c) 8.5 hr d) 10 hr Answer: a Explanation: Work ...
View QuestionTo complete a piece of work A and B take 8 days, B and C 12 days. A, B and C take 6 days. A and C will take :
a) 7 Days b) 7.5 Days c) 8 Days d) 8.5 Days Answer: c Explanation: Given (A+B)'s ...
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