Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Time and Work Work Efficiency
If A, B, and C can individually complete a task in 12, 15, and 20 days respectively, then working together, how many days will they take to complete the task?
1
16 days
2
10 days
3
14 days
4
More than one of the above
5
None of the above