Question 18

If "+" means "subtraction", "x" means "division", "÷" means "addition" and "-" means "multiplication", then
154 x 11 + 78 - 5 ÷ 45 = ?

Solution

Expression : 154 x 11 + 78 - 5 ÷ 45 = ?

$$\equiv154\div11-78\times5+45$$

= $$(\frac{154}{11})+(-390)+45$$

= $$14+45-390=-331$$

=> Ans - (A)

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