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Place Temperature

Siachin 10°C below 0°C ..................

Shimla 2°C below 0°C .................

Ahmedabad 30°C above 0°C .................

Delhi 20°C above 0°C .................

Srinagar 5°C below 0°C .................

(a) Write the temperatures of these places in the form of integers in the blank column.

(b) Following is the number line representing the temperature in degree Celsius.

Plot the name of the city against its temperature.

(c) Which is the coolest place?

(d) Write the names of the places where temperatures are above 10°C.

Answer :

(a)

Siachin – 10°C

Shimla – 2° C

Ahmedabad + 30° C

Delhi + 20° C

Srinagar – 5°C

(b)

(c) Siachin

(d) Ahmedabad and Delhi

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- Q.2 Represent the following numbers as integers with appropriate signs. (a) An aeroplane is flying at a height two thousand metre above the ground. (b) A submarine is moving at a depth, eight hundred metre below the sea level. (c) A deposit of rupees two hundred. (d) Withdrawal of rupees seven hundred.
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- Q.4 Adjacent figure is a vertical number line, representing integers. Observe it and locate the following points: (a) If point D is + 8, then which point is – 8? (b) Is point G a negative integer or a positive integer? (c) Write integers for points B and E. (d) Which point marked on this number line has the least value? (e) Arrange all the points in decreasing order of value.
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