Multiple choice

A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in

  1. 4 days

  2. 6 days

  3. 8 days

  4. 12 days
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Supposes A, B ,C take x , x/2 , x/3 hours respectively to finish the work . ( 1/x + 2/x + 3/x ) = ½ , 6/x = ½ , x = 12 , So B takes 6 days to finish the work

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