engineering recuitment AAI Junior Executive (Common Cadre) Mock Test 2023 Quantitative Aptitude Time and Work Work Efficiency
Efficiency of Ram, Shyam and Balram is 5 : 4 : 6. If Ram alone can complete a work in 20 days. Then find in how many days they can completed the 90% of the total work, while working together?
1
8 days
2
6 days
3
5 days
4
10 days
5
None of these