Multiple choice

Ram takes twice as much time as Shyam and thrice as much as Mohan to complete a piece of work. They together complete the work in 1 day. In what time, will Ram alone complete the work?

  1. 6 days

  2. 8 days

  3. 5 days

  4. 4 days

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Let Ram take 2x days, Shyam take x days, and Mohan take 2x/3 days. Their combined rate: 1/(2x) + 1/x + 3/(2x) = 1. This simplifies to 6/(2x) = 1, so x = 3. Ram alone takes 2x = 6 days.