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Comparison of Integers

Place A has a...

Question

Place A has a temperature of 20°C and Place B has a temperature of -20°C. What is the difference(in °C) between their tempreatures?
40

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Solution

The correct option is A 40
Temperature at place A = 20°C
Tempearture at place B = -20°C
Difference between their temperatures = 20 - (-20) = 40°C

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