1.

Devic Mathematics are as follows : +rarr" multiplication" - rarr" division" xx rarr" addition" // rarr" subtraction" ^^ rarr" power (or index) for exponential expression." But Devic (Mathematics must follow the same conventional BODMAS rule of mathematics. Solve the following questions in Devic Mathematics. 50//40-5+4xx54 is euqal to :

Answer»

720
72
144
none of these

Answer :B


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