Question 37

If the mathematical signs are changed as given below,$$\div$$ means $$\times$$; $$\times$$ means $$-$$ ; $$+$$ means $$\div$$ ; and $$-$$ means $$+$$, then select the option which represents the final value of the given equation.
$$39 + 3 \div 4 - 1 \times 3$$

Solution

After interchanging the signs as per the information given in the question, the newly formed expression is given below.

= $$39 \div 3 \times 4 + 1 - 3$$

= $$13 \times 4 + 1 - 3$$

= 52 + 1 - 3

= 53-3

= 50

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If the mathematical signs are changed as given below,$$\div$$ means $$\times$$; $$\times$$ means $$-$$ ; $$+$$ means $$\div$$ ; and $$-$$ means $$+$$, then select the option which represents the final value of the given equation.$$39 + 3 \div 4 - 1 \times 3$$