Of the 5 numbers, whose average is 120, the first is one-fourth of the sum of the last 4. The first number is?	Choose the correct choice from the following choices: A) 83 B) 80 C) 50 D) 120 E) 60
Total of 5 numbers = 5 * 120= 
<gadget id="calculator">5 * 120</gadget>
<output>600</output>
600   Let total of last 4 numbers= x   1st number = x/4   x+ x/4 = 600   5x = 2400 =&gt; x =480   1st number = 480/ 4= 
<gadget id="calculator">480/ 4</gadget>
<output>120</output>
120   Answer :120
<result>D</result>
Of the 5 numbers, whose average is 120, the first is one-fourth of the sum of the last 4. The first number is?