How do you convert temperatures between Celsius and Fahrenheit scales?
A basic formula application question testing arithmetic operations and formula recall.
Why Interviewers Ask This
This simple question checks if candidates can recall and apply standard conversion formulas accurately. It also tests their ability to handle floating-point arithmetic and potential rounding issues.
How to Answer This Question
State the formulas: F = (C * 9/5) + 32 and C = (F - 32) * 5/9. Explain the order of operations. Mention handling negative temperatures and floating-point precision.
Key Points to Cover
- Standard formulas
- Order of operations
- Floating-point usage
- Negative handling
Sample Answer
To convert Celsius to Fahrenheit, I use the formula F = (C * 9/5) + 32. Conversely, to convert Fahrenheit to Celsius, I use C = (F - 32) * 5/9. I ensure to perform multiplication before addition or subtraction according…
Common Mistakes to Avoid
- Swapping numerator and denominator
- Integer division truncation
- Incorrect constant values
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