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.
The environment impact assessment consists of a mimber of steps with each step equally important in determining the overall performance of the project. ...
Where are the headquarters of RBI located?
In which year was the Khalsa tradition initiated?
Which was the largest of the numerous native states before independence?
When the branch of a tree is shaken violently, the leaves fall. This happening can be explained by:Â
A government budget shows a primary deficit of ₹6,900 crore. The revenue expenditure on interest payment is ₹400 crore. Fiscal deficit is equal to:
The Bara Imambara in Lucknow was built in the year 1784 by ________.
Which of the following is the Largest Cricket Stadium in the world?
Who was the first Indian to become a Nobel Laureate?
ASBA is an application containing an authorization to Self-Certified Syndicate Bank. What does B stand for in ASBA?
Relevant for Exams:
