Question
A and B together can complete a piece of work in 12
days, while B and C can complete it in 15 days. A, B, and C together can complete the same work in 8 days. In how many days can A and C together complete the work?Solution
Let the total work be LCM of 12, 15, and 8 = 120 units. Work done per day by A and B = 120 / 12 = 10 units Work done per day by B and C = 120 / 15 = 8 units Work done per day by A, B, and C = 120 / 8 = 15 units Work done per day by A and C = (A, B, C) - (B) = 15 - 8 = 7 units Time taken by A and C = Total Work / Work per Day = 120 / 7 Correct answer: d.
Which of the following tracks is not part of the G20 Summits?
Bhed Mata Mela is associated with which animal?
Which element is required for the production of nuclear energy?
Which state has adopted 100% technology-based yield estimation under YES-TECH?
Which entity was designated as a Public Financial Institution under Section 2 of the Companies Act, 2013, by the Ministry of Corporate Affairs in Septem...
Who among the following has a record in his name of being the first player to play 600 T20 Matches?
- Which British Governor-General implemented the 'Doctrine of Lapse' policy in India?
- In which classical Indian dance form is actress Kriti Sanon formally trained?
Where is the genetic material of bacteria located?
Which space organization recently announced ‘DRACO Mission’ to study satellite disintegration phenomenon?
Relevant for Exams:
