A number having 7 at its one’s place will have

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Question:
A number having 7 at its one’s place will have 3 at the one’s place of its cube.

Solution:

True

Cube of 7 = 7 x 7 x 7 =343

Cube of 17 = 17 x 17 x 17=4913

Cube of 27 = 27 x 27 x 27 = 19683

and so on.