Correct option is B
Given: 30 ÷ 3 + 14 × 2 − 6 = ?
The + and - are interchanged.
The × and ÷ are interchanged.
Operation preference wiseBracketsOrders, ofDivisionMultiplicationAdditionSubtractionSymbol[],,()(power),√(root),of÷×+−
So the original equation:
30 ÷ 3 + 14 × 2 - 6 = ?
30 × 3 - 14 ÷ 2 + 6 = ?
30 × 3 – 7 + 6 = ?
90 – 7 + 6 = ?
96 – 7 = ?
89
Thus, the correct option is (b) 89.