If there are 300 calories in 100 grams of a food, how many calories are there in a 30 gram portion of that food?
সমাধান
সঠিক উত্তর: Option A
in 100 grams of food there are 300 clalories in 1 grams of food there are 300/100 clalories in 30 grams of food there are 300 X30/100 clalories=90 calories