A, B, and C can complete a piece of work in 741, 494, and 1482 days, respectively. Working together, they will complete the same work in how many days?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is Option 4 i.e. 247.
Total work = LCM of 741, 494, 1482 = 1482
Efficiency of A, B, and C = (1482/741) + (1482/494) + (1482/1482) = 2 + 3 + 1 = 6
Time required = 1482/6 = 247 days