Given below are two statements :

Statement I :
In order to get a mixture worth t 16·5/kg , a grocer needs to mix two varieties of pulses
costing ₹ 15 and ₹ 20 per kg respectively in the ratio 7 : 3.

Statement II :
A merchant has 1000 kg rice, part of which he sells at 8 % profit and the rest at 16 % profit. He gains 14 % on the whole. The quantity of rice sold at 16 % profit is 750 kg.
In the light of the above statements, choose the correct answer from the option given below: