Question

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Q1-following number line shows the temperature in degree celcius (°c) at difference places on a particular day.​

Answer 1

Answer:

(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?

Step-by-step explanation:

Bengaluru - 22\degree C22°C

Ooty - 14\degree C14°C

Shimla - 5\degree C5°C

Srinagar - -2\degree C−2°C

Lahulspiti - -8\degree C−8°C

Solution (b):

Hottest place = Bengaluru ( 22\degree C22°C )

Coldest place = Lahulspitu ( -8\degree C−8°C )

So, difference between hottest and coldest part = 22\degree C-\left(-8\degree C\right)22°C−(−8°C)

= 22\degree C+8\degree C\ \ =\ 30\degree C22°C+8°C = 30°C

Solution (c):

Lahulspiti = -8\degree C−8°C

Srinagar = -2\degree C−2°C

Temperature between Lahulspiti and Srinagar = -8\degree C\ -\left(-2\degree C\right)−8°C −(−2°C)

=-8\degree C+2\degree C−8°C+2°C

=-5\degree C−5°C

Solution (d):

Temperature of Srinagar = -2\degree C−2°C

Temperature of shimla = 5\degree C5°C

According to the condition = 5\degree C+\left(-2\degree C\right)\5°C+(−2°C)

=5\degree C-2\degree C\ \ =3\degree C5°C−2°C =3°C

therefore = 3\degree C<5\degree C3°C<5°C

Thus, temperature of Srinagar and Shimla taken together is less than the temperature at Shimla.

Now, temperature of srinagar = -2\degree C−2°C

therefore, 3\degree C>-2\degree C3°C>−2°C

No, it is not less than the temperature at Srinagar.