Question

If ${}^{\prime }{+}^{\prime }$ denotes ${}^{\prime }{-}^{\prime }{,}^{\prime }{-}^{\prime }$ denotes 'x', 'x' denotes ${}^{\prime }{÷}^{\prime }$ and ${}^{\prime }{÷}^{\prime }$ denotes ${}^{\prime }{+}^{\prime }$, then $15-3+10\times 5÷5=?$

• A. $5$
• B. $22$
• C. $48$
• D. $52$

Answer 1

Answer: (C)

$48$

As given in the question:

$+\to -$

$-\to \times$

$\times \to ÷$

$÷\to +$

After replacing the symbols, the given equation becomes:
$15\times 3-10÷5+5$
$=15\times 3-2+5=45-2+5=48$.