Question

Weight of a normal brain of a man is

• A. 3.3 lbs
• B. 3.5 lbs
• C. 4.0 lbs
• D. 4.5 lbs

Answer 1

Answer: (A)

3.3 lbs

A normal human brain weighs on average about 1.5 kg (3.3 lb) with a volume of around 1130 cubic centimetres ($c{m}^3$) in women and 1260 $c{m}^3$ in men.

So, the correct answer is option A.