A can do (2/5) of a work in 6 days and B can do 30% of the same work in 3 days. They worked together for 4 days. The remaining work was completed by C alone in 6 days. B and C together can complete 70% of the original work in:
A can complete the whole work in 6 × 5/2 = 15 days B can complete the whole work in 3 × 100/30 = 10 days Let the total unit of work be 30 unit (LCM of 15 and 10) Efficiency of A = 30/15 = 2 unit/day Efficiency of B = 30/10 = 3 unit/day Work done by A and B in 4 days = (2 + 3) x 4 = 20 unit Remaining work = 30 - 20 = 10 units Let the remaining work completed by C in x days 6 x x = 10 x = 10/6 B and C together can complete 70% of the original work in 30/(3 + 10/6) x 70/100 = 4 (1/2) days
Prabha Atre is a renowned person in which field?
Which of the following ministries was held by Dharmendra Pradhan before he became Cabinet Minister of Education, Skill Development and Entrepreneurship...
The pilot phase of 'Mission 50K-EV4ECO' aims at strengthening the EV ecosystem, including uptake for two, three and four-wheelers through direct and in...
The Comptroller and Auditor General of India is a:
Which of the following is most often used in the food industry as a chemical leavening agent in baked foods such as cakes, muffins and cookies?
Among the following famous personalities, whose autobiography is ‘The Road Ahead’?
Who was appointed as the State Election Commissioner of Jammu and Kashmir on October 30, 2020?
Which of the following Noble gas is used as anesthetic agent?
Who among the following is the first Indian woman to win a Gold Medal in the Asian Games?
Among the following which is not a money remittance service provider?