Question

which of the following is always even​

Answer 1

$a) Sum \: of \: three \: odd \:numbers \: is \\always \: even . \: \red{ ( False ) }$

Example:

$1 , 3 \: and \: 7 \: are \: three \: odd \: numbers$

$Sum = 1 + 3 + 7 = 11 \: \blue{ ( Odd ) }$

$b) Sum \: of \: two \: odd \:numbers \: is \\always \: even . \: \green{ ( True ) }$

Example:

$5 \: and \: 7 \: are \: two \: odd \: numbers$

$Sum = 5 + 7 = 12 \: \blue{ ( Even ) }$

$c) Sum \: of \: one \: even \:number \: and \\one\: odd \:number \: is \:always \: even . \\ \red{ ( False ) }$

Example:

$One \: even \: number = 4 \: and \\One \: odd \: number = 5$

$Sum = 4 + 5 = 9 \: \blue{ ( Odd ) }$

Therefore .,

$Option \: \green { ( b ) } \: is \: correct$

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