state gov WBPSC Miscellaneous Services Mock Test 2023 Quantitative Aptitude Time and Work Work Efficiency
Akash is thrice as good a workman as Arvind and therefore is able to finish a job in 30 days less than Arvind. If they work together, in how many days can they finish the job?
1
\(11\frac{1}{4}\)
2
\(11\frac{3}{4}\)
3
\(12\frac{3}{4}\)
4
\(12\frac{1}{4}\)