Question 38

In a certain code language, '÷' represents '+', '-' represents 'x', '+' represents '÷'and 'x' represents '-'. Find out the answer to the following question.

20 x 12 ÷ 3 - 40 + 12 = ?

Solution

Expression : 20 x 12 ÷ 3 - 40 + 12 = ?

$$\equiv20-12+3\times40\div12$$

= $$8+\frac{120}{12}$$

= $$8+10=18$$

=> Ans - (C)

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In a certain code language, '÷' represents '+', '-' represents 'x', '+' represents '÷'and 'x' represents '-'. Find out the answer to the following question.20 x 12 ÷ 3 - 40 + 12 = ?