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Question

In a temperature scale called Z the boiling point of water is 65 Z and the freezing point is 14 Z. Then the temperature T = -98Z corresponds on the Fahrenheit scale to -

A
-291F
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B
-259F
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C
179F
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D
none of these
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Solution

The correct option is D none of these
Given:
In z scale,
Boiling point of water = 65Z
Freezing point = 14Z
Solution:
In Fahrenheit scale,
Boiling point of water =212 °F
Freezing point of water = 32°F
n3221232=98+1465+14
n32180=8479
n32=8479×180
n32=191.39
n=32191.39
Therefore, n= -159.39 F
Hence, D is correct option(None of these).


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