24 men and 12 women can do a piece of work in 30 days. In how many days can 12 men and 24 women do the same piece of work?
Data is inadequate to draw any conclusion
Calculation:
24 men and 12 women can do a piece of work in 30 days.
We have to find in how many days 12 men and 24 women can do the same piece of work.
There can be 3 possibilities:
1.) If men are more efficient than women.
In this case, the number of days to complete the whole work will be greater than 30 days. Because number of men are reduced and number of women are increased.
2.) If women are more efficient than men.
In this case, the number of days to complete the whole work will be less than 30 days. Because number of men are reduced and number of women are increased.
3.) If women and men are equally efficient
In this case, the number of days to complete the whole work will be 30. Because the number of men and women are changed in equal proportion.
So, the data given in the questioin is inadequate to answer the question.
Hence, option 4 is correct.
Important Questions from Work Efficiency
Five men and 2 boys can do in 30 days as much work as 7 men and 10 boys can do in 15 days. How many boys should join 40 men to do the same work in 4 days?
A man completes 7/8 of a job in 21 days. How many more days will it take him to finish the job if quantum of work further increased by 50%?
A and B together can do a piece of work in 4 days, B and C can do it in 6 days, A and C can do it in 8 days. Then A, B and C together can do the same work in :-
A can complete 50% of a work in 9 days and B can do 25% of the work in 9 days, if they work alone. If they work together then how much work (in percentage) can be completed in 6 days?
The efficiency of Genelia is 25% more than that of Jessica and Jessica can complete a work in 25 days. Genelia started the work alone and Jessica joined him just five days before the work was completed. For how many days did Genelia work alone?
