Two-third of a positive number and 16/216 of its reciprocal are equal. The number is:
Choose the most appropriate option.
A) 5/12
B) 12/5
C) 1/3
D) 144/25
E) 146/25
Let the number be x. Then,   2/3 x = 16/216 * 1/x   x2 = 16/216 * 3/2 = 16/144 = 1/9   x = 1/3   ANSWER:1/3
<result>C</result>
Two-third of a positive number and 16/216 of its reciprocal are equal. The number is: