If 'K' denotes '×', 'B' denotes '÷', 'T' denotes '-' and 'M'denotes '+', then -40 B 8 T 6 M 3 K 4 = ?



[ A ]    19
[ B ]    11 right
[ C ]    –31
[ D ]    23
[ E ]    None of these
Answer : Option B
Explanation :
500
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