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Bunuel
The average temperature on Monday, Tuesday and Wednesday was 51ºC and on Monday, Wednesday and Thursday it was 50ºC. If on Thursday it was exactly 49ºC, then on Tuesday, temperature was

A. 23ºC
B. 23ºC
C. 42ºC
D. 46ºC
E. 52ºC


(1) (Mon+Tue+Wed)/3 = 51
(2) (Mon+Wed+Thurs)/3 = 50 .... (Mon+Wed+49)/3 = 50

Remodelling (1): Mon+Wed = (51*3)-Tue
Plugging into (2): (Mon+Wed+49)/3 = 50 .... ([(51*3)-Tue]+49)/3 = 50

[(51*3)-Tue]+49 = 50*3
[153-Tue]+49 = 150
202-Tue=150
Tue=202-150=52

Answer E.
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