Given
E= determined by adding the reciprocals of the first 10 even natural numbers ; 2,4,6,8,10..20
so E = (1/2+1/4+1/6+1/8+1/10+1/12+...+1/20)
or say
E = 1/2(1/1+1/2+1/3+1/4+1/5+1/6+...+1/10)
E= 1/2 ( 1+.5+.3+.25+.2+.16+....+.1)
E= ~ 3/2
reciprocal of E = 2/3 = ~ 0.66
IMO C
EgmatQuantExpert wrote:
e-GMAT Question of the Week #42The value of the variable E is determined by adding the reciprocals of the first 10 even natural numbers. Which of the following can be a possible value of the reciprocal of E?
A. 0.154
B. 0.1818
C. 0.667
D. 2
E. 3.03