Question 41

If P denotes '$$\div$$', Q denotes '$$+$$', R denotes '$$\times$$' and S denotes '$$-$$', then what is the value of the following equation?
100 S 12 P 72 R 6 Q 5 = ?

Solution

= 100 S 12 P 72 R 6 Q 5

= $$100-\frac{12\ }{72}\times6+5$$

= $$100-\frac{72}{72}+5$$

= 100-1+5

= 99+5

= 104


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