Coding and Decoding Questions

If 23@5=56; 6@7=26; 5@2=14; then what is the value of 7@5=?

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

6 x 6 ÷ 10 - 8 + 2 = ?

If "α" denotes "subtracted from", "β" denotes "multiplied by", "θ" denotes "added to" and "δ" denotes "divided by", then 10 θ 8 β 4 δ 8 α 9 = ?

If 40@8 = -5, 30@3 = -10 and 20@5 = -4, then find the value of 60@3 = ?

If C is coded 3 , DASH is coded as 32 , then DANCE will be coded as

If 13 # 9 = 94 and 18 # 7 = 100, then 24 # 6 = ?

In this question, some equations are solved on the basis of a certain system. On the same basis find out the correct answer from amongst the four alternatives for the unsolved equation.

7x6x8=678
8x9x7=987
6x5x7=567
5x4x6=?

A certain system is followed to solve the problem . Accordingly find out the correct answer from the alternatives for the unsolved equations.

7 x 4 x 9 = 479
9 x 5 x 2 = 592
6 x 9 x 5 = 965
8 x 6 x 2 = ?