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Question
The dance floor is made of cubes arranged in 4 rows and 4 columns. If there are 2 such layers, then find how many cubes are used.
The dance floor is made of cubes arranged in 4 rows and 4 columns. If there are 2 such layers, then find how many cubes are used.
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Solution
The correct option is B 32
Volume = length × width × height
v = 4 × 4 × 2
Number of cubes in 1 layer = rows × column
i.e. 4×4=16 cubes
Total number of cubes in 2 layers
= 2 × 16
i.e.,
2×16=20+12=32 cubes
32 cubes were used to make the dance floor.
Volume = length × width × height
v = 4 × 4 × 2
Number of cubes in 1 layer = rows × column
i.e. 4×4=16 cubes
Total number of cubes in 2 layers
= 2 × 16
i.e.,
2×16=20+12=32 cubes
32 cubes were used to make the dance floor.
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