Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Time and Work
Working for 10 hours per day, 6 men can build a wall in a certain number of days. By working for how many hours per day can 12 men build the wall in the same days?
1
7 hours 30 minutes
2
5 hours
3
20 hours
4
More than one of the above
5
None of the above