A and B can do a piece of work in 25 days and 50 days respectively.They started the work together an
Автор: Open Eye 4 TNPSC
Загружено: 2026-02-16
Просмотров: 108
Описание:
In this video, you will learn how to solve the following problem:"A and B can do a piece of work in 25 days and 50 days respectively. They started the work together and A left after some days. B finished the remaining work in 10 days. After how many days from the start did A leave?"
Key Learning Points:
Efficiency Method: Understanding how to convert days into work rates (1/25 and 1/50).
Equation Formation: How to set up an algebraic equation where (A * B) * x + (B *10) = 1 (complete work).
Step-by-Step Calculation: Finding the combined work rate using common denominators (LCM).Isolating the variable x to find the number of days A worked.
Final Result: Converting the improper fraction (40/3) into a mixed fraction to get the final answer of 13 1/3 days.
This guide is specifically designed for aspirants of TNPSC Group 1, 2, 4, and VAO exams.
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