Question
28 men can complete a work in 20 days. 40 women can
complete the same work in 28 days. 20 men and 12 women started working and after 16 days, 20 more women join them. How many days will they now take to complete the remaining work.Solution
Total work done by 28 men and 40 women is equal Therefore, efficiency of men and women 28 × M × 20 = 40 × W × 28 M : W = 2 : 1 Let Total work = 28 × 2 × 20 = 1120 unit Work done by 20 men and 12 women in 16 days = (20 × 2 + 12 × 1) × 16 = 832 unit Remaining work = 1120 – 832 = 288 unit Total Efficiency (inclusive of 20 women) = 52 + (20 × 1) = 72 Remaining work done in = 288/72 = 4 days
Who has taken over as the new Chairman and MD of Coal India?
Recently IDS has unveiled the Bharat Blockchain Network and Polyversity . IDS is based in which country?
Which of the following tech firm has recently partnered with DigiLocker to bring local storage of government issued IDs on Android devices?
Who authored the "Ramcharitmanas," which is included in UNESCO's Memory of the World Asia-Pacific Regional Register?
Which public sector bank recently inaugurated the ‘Ethical Hacking Lab’ at the Cyber Security Centre of Excellence (CCoE) in Hyderabad?
‘Ganymede’, a natural satellite of ___________, is the largest and most massive of the Solar System's moons.
What is the name of China's nuclear fusion reactor, often referred to as the "artificial sun"?
The Krutrim Cloud, launched by Ola's Krutrim, is primarily aimed at providing which of the following services?
According to the United Nations World Economic Situation and Prospects Report, India’s economy, the largest in the South Asian region, is expected to ...
Adani New Industries installs India's largest wind turbine which is  taller than Statue of Unity, it is located in which of the following city of Guj...
Relevant for Exams:
