The average temperature of a city in the first four days of a month was 36°. The average for the 2nd, 3rd, 4th and 5th day was 38°. If the temperature of the 1st and 5th day were in the ratio 4 : 5, then what is the temperature on the fifth day ?  Choose the correct choice from the following answers:  A) 40°  B) 49°  C) 43°  D) 41°  E) 42°
Explanation:   The temperature for first 4 days = 4 * 36= 
<gadget id="calculator">4 * 36</gadget>
<output>144</output>
144   The temperature for last 4 days= 4 * 38= 
<gadget id="calculator">4 * 38</gadget>
<output>152</output>
152   The difference between the temperatures is (152 – 144)= 8   The ratio of temperature between first and fifth day is 4 : 5   The temperature on fifth day is   5*8= 
<gadget id="calculator">  5*8</gadget>
<output>40</output>
40   40°NSWER: 40°
<result>A</result>
The average temperature of a city in the first four days of a month was 36°. The average for the 2nd, 3rd, 4th and 5th day was 38°. If the temperature of the 1st and 5th day were in the ratio 4 : 5, then what is the temperature on the fifth day ?