Question

If $a$ is a odd number and $b$ is an even number, then $a^3\times b$ is

• A. odd
• B. even
• C. fraction
• D. cannot be determined

Answer 1

Answer: (B)

even

$a^3$ is odd,
$b$ is even
$\therefore a^3\times b$ is even, since product of even and odd number is even.