Equal cubes joined end to end: surface area of the cuboid, or number of cubes

1. A.
   3000 $\text{cm}^2$
2. B.
   3600 $\text{cm}^2$
3. C.
   3744 $\text{cm}^2$
4. D.
   3777 $\text{cm}^2$

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1. A.
   343 cm$^2$
2. B.
   350 cm$^2$
3. C.
   686 cm$^2$
4. D.
   700 cm$^2$

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1. A.
   8
2. B.
   9
3. C.
   10
4. D.
   12

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