Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test Quantitative Aptitude Time and Work Work Efficiency
For doing a certain work, A is 60% more efficient than B and B is 10% less efficient than C. C alone can complete the same work in 36 hours. A and B work together for 5 hours. How long (in hours) will C alone take to complete the remaining work?
1
24.3
2
24.8
3
23.8
4
More than one of the above
5
None of the above