GATE CE 2018 Set 1 — Question 5
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General Aptitude → Analytical Aptitude → Numerical Relations & Reasoning
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Question
The temperature in a room varies as a function of the outside temperature and the number of persons in the room , according to the relation , where and are constants. What would be the value of given the following data?
| 25 | 2 | 32.4 |
| 30 | 5 | 42.0 |
Correct answer
(B) 1.0
Solution
Given the relation , we can set up two equations using the provided data:
1)
2)
Dividing equation (2) by equation (1):
1)
2)
Dividing equation (2) by equation (1):
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