Sum of 3 consecutive even no.'s is 30 more than the 1st no. of the series. Find the middle no.?
Choose one.
A) 8  B) 12  C) 14  D) 16  E) 18
Let the numbers be x, x+2 and x+4 then   x + x+2 + x+4 = x+30   3x + 6 = x + 30   2x = 24   \inline \therefore x = 12   \inline \therefore Middle number = x + 2 = 12+2= 
<gadget id="calculator">12+2</gadget>
<output>14</output>
14   14
<result>C</result>
Sum of 3 consecutive even no.'s is 30 more than the 1st no. of the series. Find the middle no.?