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Following number line shows the temperature in degree celsius (°C) at different places on a particular day.
(a) Observe this number line and write the temperature of the places marked on it.
(b) What is the temperature difference between the hottest and the coldest places among the above?
(c) What is the temperature difference between Lahulspiti and Srinagar?
(d) 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?
Asked by Raj Last Modified
Answer (a) By observing the given data, the temperatures of these cities are as follows.
| Lahulspiti | : | −8°C |
| Srinagar | : | −2°C |
| Shimla | : | 5°C |
| Ooty | : | 14°C |
| Bangalore | : | 22°C |
(b) Temperature at the hottest place, i.e., Bangalore = 22°C
Temperature at the coldest place, i.e., Lahulspiti = −8°C
Temperature difference = 22°C − (−8°C)
= 30°C
Therefore, the temperature difference between the hottest and the coldest places is 30ºC.
(c) Temperature at Lahulspiti = −8°C
Temperature at Srinagar = −2°C
Temperature difference = −2°C − (−8°C)
= 6°C
Therefore, the temperature difference between Lahulspiti and Srinagar is 6ºC.
(d) 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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