state gov WBPSC Miscellaneous Services Mock Test 2023 Quantitative Aptitude Time and Work Work Efficiency
J can finish the work in 66 days and K can finish the same work in 69 days. How many days are required to complete the entire work if they work together?
1
31\(11\over15\)
2
33\(11\over15\)
3
29\(11\over15\)
4
27\(11\over15\)