Multiple choice general knowledge math & puzzles

A bottle fully contains honey. The honey bottle weighed 1.5kg. Then the bottle was weighed with half of the honey, it was 900 grams. Now guess what would be the weight of the bottle?

  1. 200

  2. 300

  3. 400

  4. 500

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let B be bottle weight and H be honey weight. Full bottle: B + H = 1500g. Half bottle: B + H/2 = 900g. Subtracting: (B + H) - (B + H/2) = 1500 - 900, so H/2 = 600g, meaning H = 1200g. Therefore B = 1500 - 1200 = 300g. The bottle alone weighs 300 grams.