Skip to content / Đến nội dung
ThichHocToan.com

SEAMO 2016 — Paper D — Grade 7–8 Question 19

SEAMO · SEAMO 2016 — Paper D — Grade 7–8

Question 19

Candle A burns completely in three hours and candle B in five. B is shorter and thicker. Lit simultaneously, their remaining heights are equal after two hours. Find the initial height ratio A:B.

Question illustration
  1. $8:5$
  2. $9:5$
  3. $8:3$
  4. $5:3$
  5. None of the above