Question

If ${}^{\prime }{P}^{\prime }$ denotes ${}^{\prime }di{v}^{\prime }{,}^{\prime }{Q}^{\prime }$ denotes ${}^{\prime }{\times }^{\prime }{,}^{\prime }{R}^{\prime }$ denotes ${}^{\prime }{+}^{\prime }$ and ${}^{\prime }{S}^{\prime }$ denotes ${}^{\prime }{-}^{\prime }$. then $18Q12P4R5S6=?$

• A. $64$
• B. $53$
• C. $81$
• D. $24$

Answer 1

The correct option is B $53$

$18\times 12÷4+5-6=18\times 3+5-6$
$=54+5-6=59-6=53$.