Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Quantitative Aptitude Time and Work Work Efficiency
A piece of work can be finished by 6 women in 10 days, but it will take 10 children working alone 15 days to finish the same task. How many days will it take all six ladies and ten kids to finish the task?
1
4 days
2
10 days
3
2 days
4
More than one of the above.
5
None of the above