state gov Bihar Police Prohibition Constable 2022 Mock Test Series Quantitative Aptitude Time and Work Work Efficiency
Rahul can complete a work in 12 days and Ayush in 15 days. If they work together for 3 days, then the fraction of work that will be left is:
1
\(\frac{9}{20}\)
2
\(\frac{13}{20}\)
3
\(\frac{11}{20}\)
4
\(\frac{7}{20}\)