O-LevelMathematicsMensuration4024/12 · Oct/Nov 2017 · Q183 Marks
An open rectangular tray has inside measurements length 11 cm width 6 cm height 5 cm.
- (a)Calculate the total surface area of the four sides and base of the inside of the tray.[2]
- (b)Cubes are placed in the tray and a lid is placed on top. Each cube has an edge of 2 cm. Find the maximum number of cubes that can be placed in the tray.[1]
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Mark scheme
Marking points from the official mark scheme (Oct/Nov 2017). The mark or mark type is shown in brackets.
- [2] 18(a) 236
- M1 for 2 × 5 × 11 + 2 × 5 × 6 + 11 × 6 oe
- or C1 for 302
- [1] 18(b) 30
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