Coding and Decoding Questions

If 6#30=5; 8#24=3; 7#28=4; then what is the value of 8#40=?

In a certain code language, if COTTON is coded as 325526 and WOOLEN is coded as 122976, then TOWEL will be coded as?

If 3 % 2 = 50, 2 % 4 = 60 then what is the value of 5 % 4 = ?

If EFMIJ means DELHI, then the last letter of the word got by decoding IQBOS is

If, 6x4= 12, 4x12= 24, 12x6= 36 then 6x9= ?

If 'x' means 'addition', '­' means 'division', '/' means 'subtraction' and '+' means 'multiplication', then which of the equation is correct

After interchanging + & x and 12 &18, which of the following equations will hold true?

If "$" means "addition", "@" means "division", "#" means "multiplication" and "%" means "subtraction", then 84 @ 12 # 3 $ 24 % 35 = ?