The average temperature on Monday, Tuesday and Wednesday was 250. The average temperature on Tuesday, Wednesday and Thursday was 240. If the temperature on Thursday was 270, what was the temperature on Monday?  Pick: A) 240 B) 210 C) 270 D) 300 E) 400
Explanation :   Total temperature on Monday, Tuesday and Wednesday was 250 * 3= 
<gadget id="calculator">250 * 3</gadget>
<output>750</output>
750   Total temperature on Tuesday, Wednesday and Thursday was  240 * 3= 
<gadget id="calculator"> 240 * 3</gadget>
<output>720</output>
720   Hence, difference between the temperature on Monday and Thursday= 30   If Thursday temperature = 270, then Monday's temperature = 270 + 30= 
<gadget id="calculator">270 + 30</gadget>
<output>300</output>
300   Answer : 300
<result>D</result>
The average temperature on Monday, Tuesday and Wednesday was 250. The average temperature on Tuesday, Wednesday and Thursday was 240. If the temperature on Thursday was 270, what was the temperature on Monday?