If + means multiplication, ÷ means subtraction, − means addition and × means greater than, which expression is correct?

Which of the following two signs needs to be interchanged to make the given equation correct? 24 − 8 / 4 + 5 × 3 = 14

If ÷ means +, - means ÷, x means - and + means x, then the value of ((36x4)-8x4)/(4+8×2+16÷1) is

If + means ×, − means ÷, × means − and ÷ means +, find 15+8×4−2÷10.

If + means x, x means -, ÷ means +, - means ÷, then 175 - 25 ÷ 5 + 20 x 3 + 10 equals to:

In a coded language 1=X, 2=Z, 3=M, 4=P, 5=L, 6=S, 7=G, 8=N, 9=H. How is 93464 written?