Question

If a number is cubed, then which digit may come in unit place?
(a) 3
(b) any digit from 0 to 9
(c) 1
(d) 7​

Answer 1

Step-by-step explanation:

let us assume the number be"x"

so..,

x^3=x

let x be the 1

where..,

x=1.,x^3=1^3=1x1x1=1

x=2.,x^3=2^3=2x2x2=8

so therefore 2 option is correct

and the number wil be 1& 2