Temperature at the foot of a mountain is -5-C It fell down by 10-C at the top of the mountain The temperature recorded on the top is

The correct option is D 5^∘C Temperature at the foot of the mountain is #160; +5^∘C Temperature at the top of the mountain will be +5 10= 5 ...

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Standard VII

Mathematics

Integers

Temperature a...

Question

Temperature at the foot of a mountain is $+ 5^{\circ} C$ It fell down by $10^{\circ} C$ at the top of the mountain The temperature recorded on the top is

+ 15^{\circ} C

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- 15^{\circ} C

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+ 5^{\circ} C

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- 5^{\circ} C

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Solution

The correct option is D $- 5^{\circ} C$
Temperature at the foot of the mountain is $+ 5^{\circ} C$
Temperature at the top of the mountain will be $+ 5 - 10 = - 5$
$i . e$
$+ 5^{\circ} C + (- 10^{\circ} C) = - 5^{\circ} C$
$∴$ The temperature recorded on the top is $- 5^{\circ} C$ .

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Temperature at the foot of a mountain is +5∘C It fell down by 10∘C at the top of the mountain The temperature recorded on the top is

The correct option is D −5∘CTemperature at the foot of the mountain is +5∘CTemperature at the top of the mountain will be +5−10=−5 i.e+5∘C+(−10∘C)=−5∘C∴ The temperature recorded on the top is −5∘C .

Temperature at the foot of a mountain is $+ 5^{\circ} C$ It fell down by $10^{\circ} C$ at the top of the mountain The temperature recorded on the top is

The correct option is D $- 5^{\circ} C$
Temperature at the foot of the mountain is $+ 5^{\circ} C$
Temperature at the top of the mountain will be $+ 5 - 10 = - 5$
$i . e$
$+ 5^{\circ} C + (- 10^{\circ} C) = - 5^{\circ} C$
$∴$ The temperature recorded on the top is $- 5^{\circ} C$ .