Rajesh works three times as fast as his trainee Sameer. Together they can service all the fans in a hostel in 14 days. How many days would Sameer take alone?

Explanation

1. 01

   Let Sameer do 1 unit per day; Rajesh does 3 units. Together: 4 units per day.

2. 02

   Total work = $4 \times 14 = 56$ units.

3. 03

   Sameer alone: $56 \div 1 = 56$ days.