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Cube and Cube Roots — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSCube and Cube Roots1 Mark
MCQ
Cube of even natural number is _____ number.
  • ✓
    even
  • B
    odd
  • C
    negative
  • D
    prime
✓

Answer

Correct option: A.
even
We know, the multiplication of $3$ even numbers, i.e. the cube of an even natural number, will always be even
Example, consider the even natural numbers $2$ and $4.$
Then, their cube is $2^3 = 8$ and $4^3 = 64,$ whose units place is even.
That is, the cubes are also even.
Hence, we can say, cube of even natural number is even.
Therefore, option $A$  is correct.

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