Comprehension Passage
Direction: Study the given information carefully and answer the questions accordingly.
Graph given below shows the number of days taken by four people to complete a piece of work individually
Note: Given below three different range of efficiency of persons.
Efficiency A - 80% - 100%
Efficiency B - 60% - 80%
Efficiency C - 40% - 60%
Three persons also operate on three different levels
Level 1 - Take above range of efficiency
Level 2 - Take mid range of efficiency
Level 3 - Take lower range of efficiency
Vivek and Shyam started working together with level 3 and level 2 of efficiency A and efficiency C respectively. After 15 days Vivek and Shyam left the work and remaining work was completed by Rohan with level 2 of efficiency B in 20 days. If Vivek and Sohan work together with level 1 of efficiency A, then find percentage of remaining work after 12 days of work?
1
\(\frac{{230}}{9}\% \)
2
\(\frac{{320}}{3}\% \)
3
\(\frac{{250}}{6}\% \)
4
\(\frac{{125}}{6}\% \)
5
\(\frac{{360}}{7}\% \)