Question

If ${}^{\prime }{\times }^{\prime }$ means ${}^{\prime }{-}^{\prime }$,${}^{\prime }{+}^{\prime }$ means ${}^{\prime }{÷}^{\prime }$, ${}^{\prime }{-}^{\prime }$ means ${}^{\prime }{\times }^{\prime }$ and ${}^{\prime }{÷}^{\prime }$ means ${}^{\prime }{+}^{\prime }$, then finnd the value of below equation.
$15-2÷900+90\times 100=?$

• A. $190$
• B. $-60$
• C. $90$
• D. $0$

Answer 1

Answer: (B)

$-60$

$15-2÷900+90\times 100$
Interchange the sign according to the question
$15\times 2+900÷90-100$
$30+10-100=-60$