Five years ago, the average age of A, B, C and D was 45 years. With E Joining them now, the average of all the five is 50 years. The age of E is?	Choices:
A) 50 B) 47 C) 48 D) 49 E) 46
Solution   5 years ago average age of A,B,C,D = 45 years   =&gt; 5 years ago total age of A, B, C, D = 45 x 4 = 180 years   =&gt; Total present age of A, B, C, D = 180 + 5x4 = 200 years   If E's present age is x years = 200+x/5= 50   x=50 years. 50nswer 50
<result>A</result>
Five years ago, the average age of A, B, C and D was 45 years. With E Joining them now, the average of all the five is 50 years. The age of E is?