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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