Correct option is B
Given: P denotes ‘×’. T denotes '-'. M denotes ‘+’ and B denotes '÷'
Logic: interchange alphabetical letters by mathematical operators and solve as per BODMAS rule.
Operation preference wiseBracketsOrders,ofDivisionMultiplicationAdditionSubtractionSymbol[],,()(power),√(root),of÷×+−
Given:
54 B 9 P 11 T 13 M 17
After interchanging,
=54 ÷ 9 × 11 - 13 + 17
=6 × 11 +4
=66+4
=70
Thus, correct option (b).