Question
When one man and three women work together, they need 18
days to finish a task. On the other hand, when three men and two women collaborate, they can complete the same task in 12 days. Now, let's determine the amount of time required for five men and one woman to work together to complete the task.Solution
According to questions Let the efficiency of a man = ‘M’ units/day Let the efficiency of a woman = ‘W’ units/day ATQ; (1M + 3W) × 18 = (3M + 2W) × 12 Or, 18M + 54W = 36M + 24W Or, 36M + 108W – (36M + 24W) = 36M + 24W Or, 60W = 36M Or, W:M = 3:5 So, let the efficiency of a woman and a man be ‘3x’ units/day and ‘5x’ units/day, respectively So, total work = (5x + 3 × 3x) × 18 = ‘252x’units Combined efficiency of 5 men and 1 women = (5 × 5x + 3x) = ‘28x’ units/day So, time taken by 5 men and 1 women together to complete the work = 252x ÷ 28x = 9 days
On which of the following days, the National Panchayati Raj Day is celebrated?
Which of the following countries is the largest consumer of coal as per the International Energy Agency?
Who among the following was the last Mauryan ruler and was killed by his commander-in-chief?
Dr. Emmanuelle Soubeyran was appointed as the 8th Director General of which organization?
Which of the following were the negative effects of the green revolution:
A) Increased economic disparity among regions.
B) Deficiency of ...
Which committee is responsible for ensuring moral and ethical conduct in the Lok Sabha?
Match the following states with percentage of population below the poverty line. According to the Planning Commission of India (2011-12).Â
As of November 2023, the number of Ayushman Bharat Health and Wellness Centers in India is __________ approximately.Â
What is the approved corpus for the Fund of Funds for Startups (FFS) under the Startup India Action Plan? Â
Abhishek, Bobby and Charlie start from the same point and travel in the same direction round an Island 6 km in circumference. Abhishek travels at the ra...
Relevant for Exams:
