The average temperature for Tuesday, Wednesday and Thursday was 42°C. The average temperature for Wednesday, Thursday and Friday was 44°C. If the temperature on Friday be 43°C, what was the Temperature on Tuesday?  Choose the correct choice from the following options:
A) 39°C
B) 44°C
C) 37°C
D) 42°C
E) None of these
Explanation:   T + W + T = 42 × 3 = 126°37°C   W+ T+ F = 44 × 3 = 132°37°C   Also, temperature on Friday = 43°37°C   Temperature on Tuesday = 126 +43 - 132= 
<gadget id="calculator">126 +43 - 132</gadget>
<output>37</output>
37°37°C   Answer: Option 37°C
<result>C</result>
The average temperature for Tuesday, Wednesday and Thursday was 42°C. The average temperature for Wednesday, Thursday and Friday was 44°C. If the temperature on Friday be 43°C, what was the Temperature on Tuesday?