Two-third of a positive number and 64/216 of its reciprocal are equal. The number is:	Options:
A) 5/12
B) 12/5
C) 25/144
D) 2/3
E) 146/25
Let the number be x. Then,   2/3 x = 64/216 * 1/x   x2 = 64/216 * 3/2 = 64/144 = 4/9   x = 2/3   ANSWER:2/3
<result>D</result>
Two-third of a positive number and 64/216 of its reciprocal are equal. The number is: