Swift - Operators and Expressions
You want to check if a number
n is between 10 and 20 inclusive in Swift. Which logical expression correctly does this?You want to check if a number n is between 10 and 20 inclusive in Swift. Which logical expression correctly does this?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the range condition
To check if n is between 10 and 20 inclusive, n must be greater or equal to 10 and less or equal to 20.Step 2: Match with logical operators
AND (&&) combines both conditions; OR (||) would allow values outside the range.Final Answer:
n >= 10 && n <= 20 -> Option DQuick Check:
Use AND to check both range limits [OK]
Quick Trick: Use && to combine lower and upper bounds [OK]
Common Mistakes:
- Using OR instead of AND
- Using strict > or < instead of >= or <=
- Mixing conditions incorrectly
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