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The fundamental interval of one thermome...

The fundamental interval of one thermometer is divided into 45 equal divisons while that on another thermometer into 100 equal divisions. The lower fixed point of the first thermometers is -2 degree and that of the other is 20 degree. What will be the reading of the first thermometer when a temperature reads 120 degree on the second thermometer?

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The correct Answer is:
43 degree
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