Q420
For the integer n, if n3 is odd, then which of the following statements are true ? I. n is odd II. n2 is odd III. n2 is even
A.
I only
B.
II only
C.
I and II only
AnswerD.
I and III only
Answer: Option C
Solution
Answer: Option C
Solution:
n3 is odd ⇒ n is odd and n2 is odd∴ I and II are true.