In a certain code, 327 means 'don't cut tree', 635 means 'plant one tree', 138 means 'tree gives shade' and 4953 means 'we must plant tree'. Which digit represents 'shade'?

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