Unsure questions about C++

Just got into learning C++, I have some questions im not 100% sure about. I would appreciate any help on these matters:

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Clearly a direct copy from an assignment and not a curiosity.

first answer: 4
second answer: 1
third answer: 1
"pseudocode allows": the first answer is the only one that makes sense to me
"Purpose of 'if' statements": #1 seems to be the choice
I'm not sure about the first one
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