The boiling & freezing points on a newly defined temperature scale in degree 'D' are 400°D & 100°D respectively. The temperature reading corresponding to 60°C on this new temperature scale will be equal to _____________ °D ?
Correct answer: D. 280
- A. 140
- B. 180
- C. 240
- D. 280
Explanation
Assuming a linear scale, 0°C corresponds to 100°D and 100°C to 400°D, giving a slope of 3°D per °C. Thus, 60°C corresponds to 100 + 3(60) = 280°D.
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