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BBB 2021 - Primary 6 - Preliminary Round Question 17

BBB · BBB 2021 - Primary 6 - Preliminary Round

Question 17

There is a cuboid. When the length increases 2cm, the volume will be increased by 112 $\text{cm}^3$. When the width decreases 3cm, the volume will be decreased by 189 $\text{cm}^3$. When the height increases 2cm, the volume will be increased by 144 $\text{cm}^3$. What is the volume of the cuboid in cm³?
  1. 489
  2. 216
  3. 405
  4. 504