C++ Institute CPP Exam - Topic 9 Question 120 Discussion

Actual exam question for C++ Institute's CPP exam

Question #: 120
Topic #: 9

[All CPP Questions]

What happens when you attempt to compile and run the following code?

#include

using namespace std;

int main ()

{

float f = 10.126;

cout<

return 0;

}

Program outputs:

A10.126 10

B10.126 10.12

Ccompilation error

D10.126 10.13

Show Suggested Answer

Suggested Answer: A

by King at Apr 01, 2026, 02:25 PM

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5 days ago

I practiced a similar question, and I think the output will show the float with two decimal places, so it might be B.

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10 days ago

I remember something about setprecision affecting the output, but I can't recall if it rounds or just truncates the number.

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15 days ago

I think the code should compile fine since there are no syntax errors, but I'm not sure about the output formatting.

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