Question
18 skilled workers can complete a task in 12 days while
24 semi-skilled workers need 15 days to complete the same task. 12 skilled workers started the task but 3 of them left after a few days. How many semi-skilled workers should replace the 3 skilled ones who left so that the task can be completed in the stipulated time?Solution
Let the skilled workers =a and semi-skilled workers=b 18a ×12 =24b ×15 3a =5b 3 skilled workers =5 semi-skilled workers. Therefore, we can say that in place of 3 skilled workers, 5 semi workers can come.
Who is the sole customer of DFCCIL?
Which factory of the Indian Railways is located at Bengaluru?
Where is the Centre for Railway Research (Vehicle Dynamics, Heavy Haul & High-Speed Technology) located?
Which is the Longest train in India?
The Indian Railways’ quadrilateral; linking the four metropolitan cities of Delhi, Mumbai, Chennai and Howrah, commonly known as the Golden Quadrilat...
Who built India's first railway line?
Where is the rail wheel factory located?
The Eastern Corridor has a route length of _______ km.
In the Eastern Corridor, an electrified double-line segment of 126 km runs between
When was Indian Railway Finance Corporation established?
Relevant for Exams:
