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.
Match list-I with list-II and select the correct answer using the code given below the lists-
What mission do Indian astronauts Group Captain Shubhanshu Shukla and Group Captain Prasanth Balakrishnan Nair partake in with the Axiom-4 mission?
The first Chairman of Finance commission was
Which metal did humans utilize first?
The Foreign Exchange Management Act was enacted in ___________________.
Where does Mata Mansa Devi Mandir located in India?
Which of the following schemes is related to the improvement of Rural Infrastructure?
Before RBI was established State Bank of India was performing all important central Banking functions
Indipaisa, an international network of Fintech companies operating in Middle East Asia and Europe, is launching a set of innovative Financial Technology...
Which of the following term/trophies is related with the game of cricket?
Relevant for Exams:
