5 kg of adulterated rice has 2.72% stones in it and the rest is rice. Half of the stone content was removed. Now the percentage of stone content in it is
Weight of stones in 5 KG of adulterated rice = (2.72/100)*5000 = 136 gm
Weight of rice = 5000 - 136 = 4864 gm
Weight of Half of the stones which are removed = 136/2 = 68 gm
Total weight of remaining adulterated rice = 4932 gm
Percentage of Stones = 68/(4932) = 1.3787%