A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number?
Choose the most appropriate option:
A) 3.5 B) 6 C) 8 D) 9 E) None of these
by option   8*2= 
<gadget id="calculator">8*2</gadget>
<output>16</output>
16(number is doubled)   add 9(16+9=25)   if 25 trebled it becomes 75   ANSWER:8
<result>C</result>
A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number?