Question
‘A’ and ‘B’ alone can do a certain work in 30
days and 40 days, respectively. Both started the work together but after ‘x’ days ‘A’ left the work and the rest work was completed by B alone in ‘2x’ days. Find the total time taken to complete the whole work in this way.Solution
Total work = 120 units (LCM of 30 and 40) Efficiency of ‘A’ = 120/30 = 4 units/day Efficiency of ‘B’ = 120/40 = 3 units/day According to the question, ‘A’ worked for ‘x’ days and ‘B’ worked for ‘2x days. Therefore, (4+3)x + 3 × 2x = 120 Or 7x + 6x = 120 Or x = 120/13 total time taken to complete the whole work = 3×120/13 =360/13 days =27.69days
What is the goal of the New India Literacy Programme (NILP)?
What unique tribute was Shah Rukh Khan honored with by the Grevin Museum in Paris?
When was Oriental Insurance Company Limited (OICL) incorporated?
Which of the following statements about the 26th CEAT Cricket Awards is accurate?
Which Indian naval ship conducted a Maritime Partnership Exercise (MPX) with the Russian Navy Ship Soobrazitelny?
Which state has been given a $200 million loan by ADB to improve the quality, efficiency, and reliability of power supply & achieve its goal of providin...
Recently BSNL has received the central government's nod to go ahead with Rs 26,281 crore deal with which of the following private firm to launch 4G serv...
Who presented the 'Outstanding Business Woman of the Year - 2023' Award to Dr. Bina Modi?
Consider the following statements about Tribunals in India:
1. Supreme Court recently clarified that tribunals functioning under th...
World's largest solar park with a 3000 MWp capacity solar park will be built in which of the following state?