Coding and Decoding Questions

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 = ?

In a certain code CAMEL is written as MFNBD. How shall TIGER be written in that code?

Some equations are solved on the basis of certain system. Find the correct answer for the unsolved equation on that basis.

5 x 4 x 3 = 70 ,
6 x 5 x 4 = 140
7 x 6 x 5 = ?

If I=9 and SLIP=56, then FALL= ?

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.
 
15 x 4 ÷ 35 - 70 + 16 = ?

If 16α1 = 8, 14α6 = 42 and 12α5 = 30, then find the value of 2α6 = ?

In a certain code language, '-' represents 'x', '÷' represents '+', '+' represents '÷' and 'x' represents '-'. Find out the answer to the following question.

160 + 8 x 30 ÷ 4 - 6 = ?