Safe moisture content for storage of cereal grains

In the following question, which mathematical operators can be used so that the expression will become correct?

9 * 6 * 28 * 4 * 30

If ‘A’ means (÷), ‘B’ means (×), ‘C’ means (+), and ‘D’ means (-), then ____ is the value of the expression.

Select the correct combination of mathematical signs that can sequentially replace the sign * and make the equation correct.

3 * 12 * 4 * 5 * 4 * 116

If ‘K’ means (÷), ‘L’ means (x), ‘M’ means (+), and ‘N’ means (-), then what is the value of the expression:

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

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

36 – 36 ÷ 9 + 8 × 4 = 8

If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by”

If ‘A’ means (÷), ‘B’ means (×), ‘C’ means (+), and ‘D’ means (-), then what is the value of the expression: