In a certain code language, '×' represents '+', '÷' represents '×', '−' represents '÷' and '+' represents '−'. Find out the answer to the following question.
25÷2−10+10×6=?
- A1
- B21
- C19
- D20
Solution & Step-by-step Explanation
Substitute the given operators with their actual arithmetic definitions according to the code rules:
÷→×
−→÷
+→−
×→+
Rewriting the expression with new signs:
25×2÷10−10+6
Now, solve using BODMAS rules:
Division: 2÷10=
10
2
=0.2
25×0.2−10+6
Multiplication: 25×0.2=5
5−10+6
Addition and Subtraction:
5+6−10=11−10=1
Therefore, the final value is 1.
÷→×
−→÷
+→−
×→+
Rewriting the expression with new signs:
25×2÷10−10+6
Now, solve using BODMAS rules:
Division: 2÷10=
10
2
=0.2
25×0.2−10+6
Multiplication: 25×0.2=5
5−10+6
Addition and Subtraction:
5+6−10=11−10=1
Therefore, the final value is 1.