The difference of cubes of two consecutive integers ........

Quantitative Aptitude (CDS) Number System

The difference of cubes of two consecutive integers

is odd or even

is never divisible by 2

is always even

None of these

One of the two consequtive integers is even and other is odd.

(even integer)³ - (even integer)³ = (even integer) - (odd integer) = odd integer

(odd integer)³ - (even integer)³= (odd integer) - (even integer) = odd integer i.e. never divisible by 2.

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