Two-third of a positive number and 144/216 of its reciprocal are equal. The number is:	Select.
A) 5/12  B) 12/5  C) 25/144  D) 144/25  E) 1
Let the number be x. Then,   2/3 x = 144/216 * 1/x   x2 = 144/216 * 3/2 = 144/144= 
<gadget id="calculator">144/144</gadget>
<output>1</output>
1   ANSW1R:1
<result>E</result>
Two-third of a positive number and 144/216 of its reciprocal are equal. The number is: