Question 38

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.
20 ÷ 12 - 30 + 10 x 10 = ?

Solution

Expression : 20 ÷ 12 - 30 + 10 x 10 = ?

$$\equiv20\times12\div30-10+10$$

= $$(\frac{240}{30})+(-10+10)$$

= $$8$$

=> Ans - (A)

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In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.20 ÷ 12 - 30 + 10 x 10 = ?