By interchanging the given two numbers (not digits), which of the following equations will be correct?

44 and 19

I. 203 + 44 – 27 × 19 ÷ 11 = 114

II. 9 × 572 ÷ 19 – 44 + 4 = 120

If ‘-’ stands for ‘division’, ‘+’ for ‘multiplication’, ‘÷’ for ‘subtraction’ and ‘×’ for ‘addition’, which one of the following equations is correct? 

If 49 @ 13 # 26= 98 and 57 # 13@ 247=3 then find the value of 46@23#3=?

If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?
 3 ÷ 6 + 3 – 4 × 4 = ?

If ‘+’ means ‘divided by’ ‘-’ means ‘add’, ‘×’ means ‘minus’ and ‘/’ means ‘multiplied by’, what will be the value of the following expression?
[{(5 × 10) - (16/4)} + (15 - 9)]/0

Which two symbols should be interchanged to make the following equation correct.
6 ÷ 5 + 12 × 4 – 7 =26

Which of the mathematical signs should be interchanged in the given equation to make it mathematically correct?

31 ÷ 14 × 9 + 3 − 7 = 66

By interchanging the given two signs and numbers which of the following equation will be correct?
 + and –, 7 and 6