2024 · Q45
If the work done by x men in (x + 1) days is equal to the work done by (x + 5) men in (x - 2) days, then what is the value of x?
Elementary MathematicsTime and Work
- A5
- B6
- C7
- D8
Explanation
x(x + 1) = (x + 5)(x − 2) expands to x² + x = x² + 3x − 10. Simplifying gives 2x = 10. Hence x = 5, option (a).