Question 86
The mean temperature of Monday and Thursday was 36C. If the temperature on Thursday was $$\frac{4}{5}$$th of that Monday, then what was the temperature on Thursday ?
Solution
Let temperature on monday be a and that on thursday be y.
(x+y)/2 = 36
Now, y = 0.8x
Hence, we get Monday's temperature as 40
Therefore, none of these is the answer.
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