- A60
- B16
- C64
- D48
Step-by-Step Solution
Sohan's rate = 1/24 - 1/40 = (5 - 3)/120 = 1/60 of the job per day, so he alone needs 60 days.
Answer: A) 60
Kiran and Sohan together whitewash a hostel in 24 days. Kiran by herself would take 40 days. How long would Sohan need working alone (in days)?
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