Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Time and Work
Rima can do a work in 1 day and Bhavik can do the same work in 20 hours. In how much time they will finish the work together?
1
100/7 hours
2
100/11 hours
3
120/7 hours
4
120/11 hours
5
None of the above