A task may be completed in seven days by ten women and fourteen days by ten children. How long will it take 5 women and 10 children to do the job?
A. 3
B. 5
C. 7
D. Cannot be determined
Answer:C
A task may be completed in seven days by ten women and fourteen days by ten children. How long will it take 5 women and 10 children to do the job?
A. 3 B. 5 C. 7 D. Cannot be determined
Explanation: 1 day's labour for 1 woman Equals 1/70.1 day's work for 1 child Equals 1/140.A day's labour for (5 women + 10 children) = 5/70 + 10/140 = 1/14 + 1/14 = 1/7.The job will be completed in seven days by five women and ten youngsters.