defence exam Indian Army Nursing Assistant Mock Test Series 2025 Quantitative Aptitude Time and Work Work Efficiency
Isha can do a certain piece of work in 20 days. Isha and Smriti can together do the same work in 16 days, and Isha, Smriti and Ashlesha can do the same work together in 8 days. In how many days can Isha and Ashlesha do the same work?
1
\(\frac{79}{10}\)
2
\(\frac{80}{9}\)
3
\(\frac{76}{11}\)
4
\(\frac{89}{9}\)