Question

The average energy consumed by a human being in a day is

• A. $2400cal$
• B. $2400J$
• C. $2400kJ$
• D. $2400mJ$
• E. $2400kcal$

Answer 1

Answer: (E)

The average energy consumed by a human being in a day is
$<br/>\frac{10^{7}J}{4.2\times 10^{3}J/kcal}\approx 2400kcal<br/>$