A work is completed in (x) days. If (2) workers are added, the same work is completed (3) days earlier. If total work is (60) worker-days, how many workers were there initially?
Answer and explanation
Correct answer: (5)
Let initial workers be (w). The time is (\frac{60}{w}). From (\frac{60}{w}-\frac{60}{w+2}=3), (w=5).
Frequently asked questions
What is the correct answer to this question?
(5)
Why is this the correct answer?
Let initial workers be (w). The time is (\frac{60}{w}). From (\frac{60}{w}-\frac{60}{w+2}=3), (w=5).
Which subject and chapter does this question cover?
This is a Class 10 Mathematics question. Chapter: Quadratic Equations. Topic: Word Problems and Applications.
Student feedback
Was this question useful?
👍 0 Helpful 👎 0 Not helpful
Yes 0% No 0%
0 responsesStudent Reviews
No published reviews yet.