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प्रश्न
Which option correctly identifies a constant and a variable?
पर्याय
Constant: x; Variable: 7
Constant: 5; Variable: y
Constant: 3m ; Variable: 12
Constant: x + 2; Variable: 9
MCQ
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उत्तर
Constant: 5; Variable: y
Explanation:
A constant is a fixed number (no letter), while a variable is a letter representing an unknown value.
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