What will be the output of the following code?

medium📝 Predict Output Q13 of 15

C - Input and Output

int x = 10;
float y = 5.5;
printf("%d %f", x, y);

A10 5.5

B10 5.500000

C5.5 10

DError

Step-by-Step Solution

Solution:

Step 1: Understand format specifiers in printf
%d prints integer as is, %f prints float with 6 decimal places by default.
Step 2: Match variables to specifiers
x is 10 (int), printed by %d. y is 5.5 (float), printed by %f as 5.500000.
Final Answer:
10 5.500000 -> Option B
Quick Check:
Integer and float print with %d and %f [OK]

Quick Trick: Floats print with 6 decimals by default using %f [OK]

Common Mistakes:

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