engineering recuitment AAI Junior Executive (Common Cadre) Mock Test 2023 Quantitative Aptitude Time and Work Pipe and Cistern
A can fill a tank in 30 hours and B is 120% as efficient as A. If they fill the tank on alternate hours starting with A, find time to fill the tank completely (in hours).
1
27.33
2
28.4
3
26.6
4
26.33
5
None of these