Coding and Decoding Questions

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 ALPHA = 36, BETA = 26 then DELTA = ?

If 8α9 = -72, -9α3 = 27 and -6α1 = 6, then find the value of -3α6 = ?

In a certain code language, “LUNGS” is written as “OWQIV”. How is “HEART” written in that code language?

Select the appropriate combination of mathematical operators to be sequentially placed between the numbers given on the left of the following equation so that LHS = RHS.

5035 = 20

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

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

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= ?