(18)7 x (5832)-2 ÷ (324)-1 = (18)7 Options.
A) 5	B) 4	C) 3	D) 2	E) 1
Explanation :   (18)7 x (183)-2 ÷ (182)-1   (18)7 x (18)-6 ÷ (18)-2   (18)7-6+2 = (18)3   Answer : Option 3
<result>C</result>
(18)7 x (5832)-2 ÷ (324)-1 = (18)7