2021 · Q42
A person agrees to work for 30 days, on a condition that for every day’s work he should receive Rs. 500, and that for every day’s absence from work he should forfeit Rs. 100. At the end of the time he received Rs. 11,400. How many days did he work ?
Elementary MathematicsAlgebra
- A20
- B21
- C24
- D25
Explanation
If he worked x days, he was absent 30 − x days. His pay is 500x − 100(30 − x) = 600x − 3000 = 11400. Thus 600x = 14400 and x = 24. He worked 24 days, option (c).