Task: Question Answering
Input (English): Question: A merchant mixes three varieties of rice costing Rs.20/kg, Rs.24/kg and Rs.30/kg and sells the mixture at a profit of 20% at Rs.30 / kg. How many kgs of the second variety will be in the mixture if 2 kgs of the third variety is there in the mixture?

 Option A: 1 kgs

 Option B: 3 kgs

 Option C: 5 kgs

 Option D: 6 kgs

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