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SASMO 2020 Grade 10 Question 23

SASMO · SASMO 2020 Grade 10

Question 23

What is the least number of integer-gram weights required to weigh every object whose mass is an integer from 1 to 35 grams?

Interpretation: Use a two-pan balance, with weights allowed on either pan and each weight available once. The object stays on one pan.

Answer format: enter the integer answer without units. Leading zeros are optional; the original paper uses four-digit boxes.