In which continent are the Andes Mountains located?

By interchanging the given two numbers (not digits), which of the following equations will be correct?

24 and 9

If ‘÷’ means ‘-’, ‘-’ mean ‘+’, ‘+’ means ‘×’ and ‘×’ means ‘÷’, compute 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 + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?

19 ÷ 14 + 8 – 12 × 3

If % means +, @ means -, # means × and $ means ÷, then what is the value of : 26 % 40 @ 56 $ 7 # 2

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

If the signs '+' and ' ÷ 'and the numbers '2' and '4' are interchanged, which one of the following four equations would be correct?

If '+' means '-', 'X' means '+', '-' means '÷', and '÷' means 'X', then what is the value of the following expression? 120 - 10 + 60 X 5 ÷ 3 X 15