Which of the following is the correct way to read a float variable named price using scanf?

easy📝 Conceptual Q2 of 15

C - Input and Output

Which of the following is the correct way to read a float variable named price using scanf?

Ascanf("%lf", &price);

Bscanf("%f", &price);

Cscanf("%f", price);

Dscanf("%d", price);

Step-by-Step Solution

Solution:

Step 1: Identify correct format specifier for float
The format specifier for float is %f, and the variable address must be passed.
Step 2: Check pointer usage
The variable's address must be passed using &price, not just price.
Final Answer:
scanf("%f", &price); -> Option B
Quick Check:
Float input uses %f and &variable [OK]

Quick Trick: Use %f with &variable for float input [OK]

Common Mistakes:

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