Four of the following five parts numbered (a), (b), (c), (d) and (e) are exactly equal. The number of the part which is not equal to the other four parts is your answer.
Select the correct option:  A) 85 ÷ 17 × 110  B) 45 × 6 + 75 × 4  C) 175 ÷ 25 × 75 + 5(2)  D) 36 × 4 + 21(2) – 7 × 5  E) 65 × 12 – 46 × 5
Except it, others are equal to 550.   Answer 45 × 6 + 75 × 4
<result>B</result>
Four of the following five parts numbered (a), (b), (c), (d) and (e) are exactly equal. The number of the part which is not equal to the other four parts is your answer.