Which country is NOT amongst IFFCO’s international

In a certain code language, "TREE" is coded as 25, and "MOON" is coded as 27. How will "GATE" be coded?

If ‘P’ means (÷), ‘Q’ means (×), ‘R’ means (+), and ‘S’ means (-), then what is the value of the expression:

If + means ÷, × means –, – means ×,  ÷ means +, then 32 + 16 – 13 x 18 ÷ 2 = ?

Which two signs should be interchanged to make the following equation correct?

38 ÷ 26 – 2 + 5 × 4 = 45

If '+' means '-', ' X ' means '+', '-' means '÷' and '÷' means ' X ', then what is the value of the following expression?

If 'P' stands for '+', 'Q' stands for '×', 'R' stands for '-', and 'S' stands for '÷', then what is the value of the following expression?

If A denotes '+', B denotes ' X ', C denotes ' - ' and D denotes '÷', then what will come in place of '?' in the following equation?

Select the correct combination of mathematical signs that can sequentially replace the ‘*’ signs and balance the given equation.