Task: Question Answering
Input (English): Question: Raman mixed 24 kg of butter at Rs. 150 per kg with 36 kg butter at the rate of Rs. 125 per kg. At what price per kg should he sell the mixture to make a profit of 40% in the transaction?

 Option A: Rs. 135

 Option B: Rs. 162

 Option C: Rs. 189

 Option D: Rs. 198

 Option E: None of these
Output (English): Option C