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) Kalai complete a work in 28 days, where as a Mithra can complete it in only84 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 2) Aravindh complete a work in 12 days, where as a Amutha can complete it in only36 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 3) Moorthi complete a work in 28 days, where as a Chithra can complete it in only84 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 4) Karna complete a work in 28 days, where as a Panimalar can complete it in only84 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 5) Selvan complete a work in 28 days, where as a Chithra can complete it in only84 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 6) Balaji complete a work in 12 days, where as a Kumutha can complete it in only36 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 7) Karna complete a work in 20 days, where as a Indra can complete it in only60 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 8) Anand 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:_______________ |
| 9) Sriram complete a work in 16 days, where as a Nandini can complete it in only48 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 10) Aravindh complete a work in 12 days, where as a Kumutha can complete it in only36 days. If they work together, in how many days, can the work be completed days Answer:_______________ |
| 1) Kalai complete a work in 28 days, where as a Mithra can complete it in only84 days. If they work together, in how many days, can the work be completed Answer: 21days SOLUTION 1 : Given : Kalai can complete a work in 28days work done by Kalai in one day = Mithra can complete it in 84days work done by Mithra in one day = Work done by Kalai and Mithra 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) Aravindh complete a work in 12 days, where as a Amutha can complete it in only36 days. If they work together, in how many days, can the work be completed Answer: 9days SOLUTION 1 : Given : Aravindh can complete a work in 12days work done by Aravindh in one day = Amutha can complete it in 36days 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 = 9 days. |
| 3) Moorthi complete a work in 28 days, where as a Chithra can complete it in only84 days. If they work together, in how many days, can the work be completed Answer: 21days SOLUTION 1 : Given : Moorthi can complete a work in 28days work done by Moorthi in one day = Chithra can complete it in 84days work done by Chithra in one day = Work done by Moorthi and Chithra 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. |
| 4) Karna complete a work in 28 days, where as a Panimalar can complete it in only84 days. If they work together, in how many days, can the work be completed Answer: 21days SOLUTION 1 : Given : Karna can complete a work in 28days work done by Karna in one day = Panimalar can complete it in 84days work done by Panimalar in one day = Work done by Karna and Panimalar 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. |
| 5) Selvan complete a work in 28 days, where as a Chithra can complete it in only84 days. If they work together, in how many days, can the work be completed Answer: 21days SOLUTION 1 : Given : Selvan can complete a work in 28days work done by Selvan in one day = Chithra can complete it in 84days work done by Chithra in one day = Work done by Selvan and Chithra 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. |
| 6) Balaji complete a work in 12 days, where as a Kumutha 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 = Kumutha can complete it in 36days work done by Kumutha in one day = Work done by Balaji and Kumutha 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. |
| 7) Karna complete a work in 20 days, where as a Indra can complete it in only60 days. If they work together, in how many days, can the work be completed Answer: 15days SOLUTION 1 : Given : Karna can complete a work in 20days work done by Karna in one day = Indra can complete it in 60days work done by Indra in one day = Work done by Karna and Indra 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) Anand 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 : Anand can complete a work in 20days work done by Anand in one day = Keerthi can complete it in 60days work done by Keerthi in one day = Work done by Anand 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. |
| 9) Sriram complete a work in 16 days, where as a Nandini can complete it in only48 days. If they work together, in how many days, can the work be completed Answer: 12days SOLUTION 1 : Given : Sriram can complete a work in 16days work done by Sriram in one day = Nandini can complete it in 48days work done by Nandini in one day = Work done by Sriram 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 = 12 days. |
| 10) Aravindh complete a work in 12 days, where as a Kumutha can complete it in only36 days. If they work together, in how many days, can the work be completed Answer: 9days SOLUTION 1 : Given : Aravindh can complete a work in 12days work done by Aravindh in one day = Kumutha can complete it in 36days work done by Kumutha in one day = Work done by Aravindh and Kumutha 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. |