Coding and Decoding Questions

In a certain code language, '+' represents 'x', '-' represents '+', 'x' represents '÷' and '÷' represents '-'. What is the answer to the following question?

56 ÷ 8 + 12 - 72 = ?

If SELFIE = LXEYBX, then PHYSICS = ____

If B = 2, K = 11; MAN = 0, SIN = 14, then what is the value of HOT?

Some equations have been solved on the basis of a certain pattern. Find the correct answer for the unsolved equation on that basis.

8x7x6=765
5x3x2=421
9x6x4= ?

If 12 (20) 16 and 21 (35) 28, then what is value of A in 48 (80) A ?

If 9x3=3; 15x3=5; 60x5=12; then what is the value of 27x3 = ?

If 5 x 4 x 0 = 405
3 x 2 x 8 = 283
then 1 x 7 x 6 = ?

If '+' means '÷', '÷' means '­', '­' means 'X' and 'X' means '+', then 48 + 16 x 4 ­2 ÷ 8 = ?