Written Instructions:
For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..
For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.
Leave your answers in the simplest form or correct to two decimal places.
| 1) Aravindh complete a work in 28 days, where as a Nandini can complete it in only84 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 2) Balaji complete a work in 12 days, where as a Tamilselvi can complete it in only36 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 3) Anand complete a work in 20 days, where as a Nandini can complete it in only60 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 4) Aravindh complete a work in 20 days, where as a Amutha can complete it in only60 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 5) Barathan complete a work in 20 days, where as a Parveen can complete it in only60 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 6) Balaji complete a work in 20 days, where as a Parveen can complete it in only60 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 7) Narayanan complete a work in 20 days, where as a Keerthi can complete it in only60 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 8) Aravindh complete a work in 24 days, where as a Savithri can complete it in only72 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 9) Moorthi complete a work in 4 days, where as a Ovini can complete it in only12 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 10) Moorthi complete a work in 4 days, where as a Swathi can complete it in only12 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 1) Aravindh complete a work in 28 days, where as a Nandini can complete it in only84 days. If they work together, in how many days, can the work be completed Answer: 21days SOLUTION 1 : Given : Aravindh can complete a work in 28days work done by Aravindh in one day = Nandini can complete it in 84days work done by Nandini in one day = Work done by Aravindh and Nandini together in one day = +
work done by both, in one day = Number of days requrired to complete the work by both together = 1/ days = 21 days. |
| 2) Balaji complete a work in 12 days, where as a Tamilselvi can complete it in only36 days. If they work together, in how many days, can the work be completed Answer: 9days SOLUTION 1 : Given : Balaji can complete a work in 12days work done by Balaji in one day = Tamilselvi can complete it in 36days work done by Tamilselvi in one day = Work done by Balaji and Tamilselvi together in one day = +
work done by both, in one day = Number of days requrired to complete the work by both together = 1/ days = 9 days. |
| 3) Anand complete a work in 20 days, where as a Nandini can complete it in only60 days. If they work together, in how many days, can the work be completed Answer: 15days SOLUTION 1 : Given : Anand can complete a work in 20days work done by Anand in one day = Nandini can complete it in 60days work done by Nandini in one day = Work done by Anand and Nandini together in one day = +
work done by both, in one day = Number of days requrired to complete the work by both together = 1/ days = 15 days. |
| 4) Aravindh complete a work in 20 days, where as a Amutha can complete it in only60 days. If they work together, in how many days, can the work be completed Answer: 15days SOLUTION 1 : Given : Aravindh can complete a work in 20days work done by Aravindh in one day = Amutha can complete it in 60days work done by Amutha in one day = Work done by Aravindh and Amutha together in one day = +
work done by both, in one day = Number of days requrired to complete the work by both together = 1/ days = 15 days. |
| 5) Barathan complete a work in 20 days, where as a Parveen can complete it in only60 days. If they work together, in how many days, can the work be completed Answer: 15days SOLUTION 1 : Given : Barathan can complete a work in 20days work done by Barathan in one day = Parveen can complete it in 60days work done by Parveen in one day = Work done by Barathan and Parveen together in one day = +
work done by both, in one day = Number of days requrired to complete the work by both together = 1/ days = 15 days. |
| 6) Balaji complete a work in 20 days, where as a Parveen can complete it in only60 days. If they work together, in how many days, can the work be completed Answer: 15days SOLUTION 1 : Given : Balaji can complete a work in 20days work done by Balaji in one day = Parveen can complete it in 60days work done by Parveen in one day = Work done by Balaji and Parveen together in one day = +
work done by both, in one day = Number of days requrired to complete the work by both together = 1/ days = 15 days. |
| 7) Narayanan complete a work in 20 days, where as a Keerthi can complete it in only60 days. If they work together, in how many days, can the work be completed Answer: 15days SOLUTION 1 : Given : Narayanan can complete a work in 20days work done by Narayanan in one day = Keerthi can complete it in 60days work done by Keerthi in one day = Work done by Narayanan and Keerthi together in one day = +
work done by both, in one day = Number of days requrired to complete the work by both together = 1/ days = 15 days. |
| 8) Aravindh complete a work in 24 days, where as a Savithri can complete it in only72 days. If they work together, in how many days, can the work be completed Answer: 18days SOLUTION 1 : Given : Aravindh can complete a work in 24days work done by Aravindh in one day = Savithri can complete it in 72days work done by Savithri in one day = Work done by Aravindh and Savithri together in one day = +
work done by both, in one day = Number of days requrired to complete the work by both together = 1/ days = 18 days. |
| 9) Moorthi complete a work in 4 days, where as a Ovini can complete it in only12 days. If they work together, in how many days, can the work be completed Answer: 3days SOLUTION 1 : Given : Moorthi can complete a work in 4days work done by Moorthi in one day = Ovini can complete it in 12days work done by Ovini in one day = Work done by Moorthi and Ovini together in one day = +
work done by both, in one day = Number of days requrired to complete the work by both together = 1/ days = 3 days. |
| 10) Moorthi complete a work in 4 days, where as a Swathi can complete it in only12 days. If they work together, in how many days, can the work be completed Answer: 3days SOLUTION 1 : Given : Moorthi can complete a work in 4days work done by Moorthi in one day = Swathi can complete it in 12days work done by Swathi in one day = Work done by Moorthi and Swathi together in one day = +
work done by both, in one day = Number of days requrired to complete the work by both together = 1/ days = 3 days. |