Question
P, Q and R can do some work in 11 days, 20 days and 55
days respectively. In how many days can the work be done, if P gets the assistance of Q and R on alternate days?Solution
Let, total work = (LCM of 11, 20, and 55) = 220 efficiency of P = 20 units Efficiency of Q = 11 units Efficiency of R = 4 units Work done by P and Q in first day = 20 + 11 = 31 Work done by P and R in second day = 20 + 4 = 24 Total work done by P, Q, and R in 2 days = 31 + 24 = 55 55-unit work done by all three in = 2 days  220-unit work done by all thee in = [2/55] × 220 = 8 days.
What type of cultural products will be featured at the Krishnaveni Sangeetha Neerajanam festival?
Who manages the Ministry of Rural Development?
Kundan Green Energy has inked an initial pact to develop 80 MW hydropower at an investment of Rs 1,000 crore in which state?
In operating systems, what does the "Working Set Model" primarily deal with?
How much in total has been disbursed under the PM-KISAN scheme to more than 11 crore farmer families?
Which organization has partnered with the Maharashtra government to implement ropeways as part of the National Ropeway Programme 'Parvatmala'?
- Which natural feature in New Zealand was recently granted legal personhood?
The Directorate General of Foreign Trade (DGFT) partnered with DHL Express to boost e-commerce exports for MSMEs under which initiative?
How much financial assistance has the Government of India secured through a loan agreement with the Asian Development Bank (ADB) to facilitate the devel...
How much is the world’s largest gold bar worth?
Relevant for Exams:
