Respuesta :

25/4 kg = rs 400

Find 1 kg:
1 kg = 400 ÷ 25/4
1 kg = 400 x 4/25
1 kg = Rs. 64

Answer: Rs. 64/kg
25/4 kg = 6.25 kg = rs. 400

rs. 400 / 6.25 = the selling price per kg = rs. 64

The apples are being sold for rs. 64 per kg.