The correct option is A 5.13 kg
Weight of rice with Marry = 20.52 kg
Weight of rice given to Marry's friend = 15.39 kg
Weight of rice with Marry now = (20.52 − 15.39) kg
For subtraction, we align decimal points of numbers and then subtract numbers.
20.52
− 15.39
________
5.13
Hence, weight of rice with Marry now = 5.13 kg