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If ‘+’ means ‘-’, ‘-’ means ‘+’, ‘ `xx`’ means ‘ `div`’ and ‘`div`’ means ‘ `xx`’ then the value of `(42-12xx3+8 div 2+15)/(8xx2-4+9 div 3)` is :-
यदि ‘+’ का अर्थ ‘-’, ‘-’ का अर्थ ‘+’, ‘ `xx`’ का अर्थ ‘ `div`’ तथा ‘`div`’ का अर्थ ‘ `xx`’ है, तो `(42-12xx3+8 div 2+15)/(8xx2-4+9 div 3)` का मान होगा :

A

`-5/3`

B

`-15/19`

C

`15/19`

D

`5/3`

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