Multiple choice general knowledge math & puzzles

You are having 31kg of rice. You are provided with a 1kg stone for weighing. In how many weights the 31kg of rice can be weighed

  1. 10

  2. 15

  3. 6

  4. 5
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Using a balance scale and a 1kg stone, you can divide the rice in 5 weighings: 1) Split 31kg + 1kg stone into 16kg and 16kg (15kg rice + stone). 2) Split 16kg into 8kg and 8kg. 3) Split 8kg into 4kg and 4kg. 4) Split 4kg into 2kg and 2kg. 5) Split 2kg into 1kg and 1kg.

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