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Subject :NSO    Class : Class 6

The fundamental intervals of two thermometers P and Q are 45° and 100° respectively. The lower point of P is 0° and that of Q is 50°. If Q reads 110°, then the reading of thermometer P, is

A 18°C
B 27°C
C 36°C
D 55°C


Can you explain it please

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