Question

If ${}^{\prime }{a}^{\prime }$ means ${}^{\prime }{+}^{\prime }{,}^{\prime }{b}^{\prime }$ means ${}^{\prime }{-}^{\prime }{,}^{\prime }{c}^{\prime }$ means '$÷$' and ${}^{\prime }{d}^{\prime }$ means ${}^{\prime }{\times }^{\prime }$ then the expression $16a4b3c4d2=$?

• A. $10$
• B. $17$
• C. $18.5$
• D. $\frac{21}{2}$

Answer 1

The correct option is C $18.5$

$16a4b3c4d2=$
$\Rightarrow 16+4-\frac{3}{4}\times 2\Rightarrow 18.5$
We follow the BODMAS rule for the above question.