Question 50

If $$\div$$ means ‘$$+$$‘, $$\times$$ means ‘$$\div$$‘, $$+$$ means ‘$$-$$‘ and $$-$$ means ‘$$\times$$', then what is the value of the following expression?

$$16 - 4 + 12 \times 3 \div 5 = ?$$

Solution

$$16\ -\ 4\ +\ 12\times\ 3\div5$$

According to question,

$$16\ \times\ \ 4\ \ -\ 12\div3\ \ +\ 5$$

By using BODMAS, we get,

$$16\ \times\ \ 4\ \ -4\ \ +\ 5$$

$$64\ \ +\ 1$$

$$65$$


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