Task: Question Answering
Input (English): Question: in a powder mix two varieties of powders costing Rs. 15 and Rs. 20 per kg respectively so as toget a mixture worth Rs. 16.50 kg?

 Option A: 1:3

 Option B: 2:5

 Option C: 7 : 3

 Option D: 7:5

 Option E: 5:8
Output (English): Option C