Write each of the following ratios in the simplest form:(i) Rs 6.30:Rs. 16.80(ii) 3 weeks :30 days(iii) 3 m 5 cm :35 cm(iv) 48 min :2 hours 40 min(v) 1 L 35 mL :270 mL(vi) 4 kg :2 kg 500 g