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Question
Following number line shows the temperature in degree celsius (°C) at different places on a particular day.
Can we say temperature of Srinagar and Shimla taken together is less than the temperature at Shimla? Is it also less than the temperature at Srinagar?
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Solution
Temperature at Srinagar = −2°C
Temperature at Shimla = 5°C
Temperature of Srinagar and Shimla taken together = −2°C + 5°C
= 3°C
3°C < 5°C
3°C < Temperature of Shimla
Yes, the temperature of Srinagar and Shimla taken together is less than the temperature of Shimla.
However, 3°C > −2°C
Hence, the temperature of Srinagar and Shimla taken together is not less than the temperature of Srinagar.
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