The average temperature of Monday, Tuesday, Wednesday and Thursday was 38∘ and that of Tuesday, Wednesday, Thursday and Friday was 40∘. If the temperature on Monday was 32∘, the temperature of Friday was :
Choose the correct choice from the following answers:
A) 40∘	B) 39∘	C) 38∘	D) 30∘	E) None of these
Explanation:   M+T+W+Th=(4×38)=152   Monday temperature is 32. So T+W+Th=(152-32)= 
<gadget id="calculator">(152-32)</gadget>
<output>120</output>
120   T+W+Th+F=(4×40)=160   F = (160-120)= 
<gadget id="calculator">(160-120)</gadget>
<output>40</output>
40∘   Correct Option: 40∘
<result>A</result>
The average temperature of Monday, Tuesday, Wednesday and Thursday was 38∘ and that of Tuesday, Wednesday, Thursday and Friday was 40∘. If the temperature on Monday was 32∘, the temperature of Friday was :