Aluminium Phosphide is used to control stored grain pest

What will come in the place of question mark (?) in the given expression?

(55 × 8 + 28) × 10 = ?

32 × 3 (54 – 15) + 186 ÷ 3 ÷ 2 – (21)² = ?

22% of 280 + 34% of 1080 × 5/12 =? + 16% of 460

4567.89 - 567.89 - 678.89 = ?

What value should come in the place of (?) in the following questions?

320 + 16² – 55% of 720 = 5 * ?²

120 × 195 ÷ 13 - ? = 16²

(5832)^1/3  × 10.11 × 11.97 ÷ 16.32 = ? + 45.022

34 × 2.5 + 6.4 × 1.5 – 4.8 × 1.2 =?

What will come in the place of question mark (?) in the given expression?

? = 90% of 25% of (40 × 200) + 300