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SEAMO 2022 — Paper D — Grade 7–8 Question 8

SEAMO · SEAMO 2022 — Paper D — Grade 7–8

Question 8

A sphere’s radius increases five percent. Find its volume’s percentage increase, to one decimal place. Use $V=4\pi r^3/3$.
  1. $11.5\%$
  2. $12.8\%$
  3. $15\%$
  4. $15.8\%$
  5. $4\%$