Kishan and Kabir together could finish building a sand house in 2 hours. Whereas Kala and Kabir will take 3 hours and Kishan and Kala would take 5 hours to build one together. Find how long Kala will take to build a sand house working alone. 

Kishan and Kabir together could finish building a sand house in 2 hours. Whereas Kala and Kabir will take 3 hours and Kishan and Kala would take 5 hours to build one together. Find how long Kala will take to build a sand house working alone.  Correct Answer 60 hours

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