C - Operators and Expressions
Why does the expression
int x = 2 + 3 * 4 / 6 - 1; produce the value 3 in C?Why does the expression int x = 2 + 3 * 4 / 6 - 1; produce the value 3 in C?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Apply operator precedence rules
Multiplication (*) and division (/) have higher precedence than addition (+) and subtraction (-).Step 2: Evaluate expression stepwise
3 * 4 = 12, then 12 / 6 = 2, then 2 + 2 - 1 = 3.Final Answer:
Multiplication and division evaluated before addition and subtraction -> Option CQuick Check:
Operator precedence explains result = Because multiplication and division are evaluated before addition and subtraction [OK]
Quick Trick: Multiply/divide before add/subtract to get correct result [OK]
Common Mistakes:
- Assuming addition before multiplication
- Thinking division is lowest precedence
- Confusing subtraction order
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