You have 59 cubic blocks. What is the minimum number that needs to be taken away in order to construct a solid cube with none left over?  Choose the correct choice from the following answers.
A) 28	B) 29	C) 30	D) 31	E) 32
Sol.   The next cube number below 64(4 ×4 ×4) is 27(3 ×3 ×3).   In order to construct a solid cube, therefore, with none left over,   59 – 27 = 32 blocks need to be taken away.   Answer : 32
<result>E</result>
You have 59 cubic blocks. What is the minimum number that needs to be taken away in order to construct a solid cube with none left over?