Question

Which provides more energy to human body after digestion - $1kg$ of rice or $1kg$ of potatoes.

Answer 1

1. $1kg$ of rice provides $5.3x{10}^{6}J$ of energy.
2. $1kg$ of potatoes provide $3.7x{10}^{6}J$ of energy.

Hence, $1kg$ of rice provides more energy compared to $1kg$ of potatoes.