A*B means multiply A by B; A@B means divide A by B, A?B means add B to A and A=B means subtract B from A. Then find the value of 10*10 = 5*10 ? 50@10

If RESEARCH is $#!#%$&@ then SCARE is

If 12@18 = -3, 18@6 = 6 and 16@8 = 4, then find the value of 6@10 = ?

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

10 + 14 x 20 - 7 ÷ 10 = 40

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

18 x 12 ÷ 5 - 10 + 10 = ?

In a certain code language, “NOTES” is written as “141520519” and “MAKAR” is written as “13111118”. How is “LOFTS” written in that code language?

If Q = 10 and FAX = 50, then XEROX = ?

If 60#40 = 10, 40#20 = 6 and 60#90 = 15, then find the value of 40#30 = ?

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

8 ÷ 2 - 50 x 6 + 16 = 50