Numerical AbilityTime and Work (CSIR (Council of Scientific & Industrial Research) Part A Aptitude): Questions 17  22 of 40
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Question number: 17
» Numerical Ability » Time and Work
Question
A tank is fill in hours by three pipes and . Pipe is twice as fast as and is twice as fast as . How much time will pipe alone take to fill the tank?
Choices
Choice (4)  Response  

a.  hours  
b.  hours  
c.  hours  
d.  hours 
Question number: 18
» Numerical Ability » Time and Work
Question
and can do a piece of work in days, and in days, and in days. How long will take to do it?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 19
» Numerical Ability » Time and Work
Question
The work done by a child in one day is one third that by a man and half that by a women. If one man, one woman and three children together can complete a work in days, in how many days can children together complete the same work?
Choices
Choice (4)  Response  

a.  days  
b.  days  
c.  days  
d.  days 
Question number: 20
» Numerical Ability » Time and Work
Question
Ram will do a piece of work in days, what part of work will he do in days?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 21
» Numerical Ability » Time and Work
Question
and can do alone a job in days and days. They began the work together but days before the completion of job, leaves off. In how many days will the work be completed?
Choices
Choice (4)  Response  

a.  days  
b.  days  
c.  days  
d.  days 
Question number: 22
» Numerical Ability » Time and Work
Question
A can pipe fill a tank in hours. Due to a leak in the bottom, it is filled in hours. If the tank is full, how much time will the leak take to empty it?
Choices
Choice (4)  Response  

a.  hours  
b.  hours  
c.  hours  
d.  hours 