Multiple choice

Work efficiency of two persons is in the ratio 3: 2. If both complete the whole work in 6 days then in how many days will they separately complete the work?

  1. 8 and 12

  2. 8 and 10

  3. 10 and 12

  4. 10 and 15

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

Efficiency ratio 3:2 means work ratio is also 3:2. Combined rate = 3+2 = 5 units/day. Total work = 5×6 = 30 units. First person: 30/3 = 10 days. Second person: 30/2 = 15 days. Option D (10 and 15) is correct.