Question
A can finish a task by himself in 25 days, whereas B can
finish the same task by himself in 10 days. A begins the task but stops after 5 days, at which point B takes over and finishes the job. How many total days were required to complete the task?Solution
Let the total work = 50 units (L.C.M of 25 and 10) Efficiency of A = 50/25 = 2 units/day Efficiency of B = 50/10 = 5 units/day Amount of work done by A in 5 days = 2 × 5 = 10 units Remaining work = 50 – 10 = 40 units Time taken by B to complete the remaining work = 40/5 = 8 days Total number of days = 8 + 5 = 13 days
Which of the following are functions of the kidney?
1. Filtration of blood to remove waste products.
2. Regulation of blood pressure throu...
India’s Ministry of Statistics and Programme Implementation (MoSPI) will conduct its first private sector capital expenditure survey in what month of ...
Who has been awarded by Energy Efficiency Services Limited a contract to procure 10,000 electric vehicles for govt. departments
Which refinery became the largest Public Sector Undertaking (PSU) refinery at a single location in India during the fiscal year 2022-23?
“Hundi” is a –
Appan Menon Award is given in the field of _____
Annuity calculation assumes that every payment is
In the full form of MUDRA, A stands for ____________
Which country recently became the newest member of the European Union?
How many types of justice, liberty, equality and fraternity in that same order have been mentioned in the preamble of the constitution of India?
Relevant for Exams:
