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प्रश्न
What should be added to 16 to get (−31)?
विकल्प
15
-15
47
-47
MCQ
रिक्त स्थान भरें
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उत्तर
-47
Let the number to be added to 16 be x.
x + 16 = (−31)
=> x = (−31)−16
=> x = −47
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