Food additives present in food are sometimes represented

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

Select the correct combination of mathematical signs that can sequentially replace the “@” sign and balance the following equation.

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

9 × 10 ÷ 2 – 4 = 51 + 2 

If ' + ' means ' × ', ' - ' means ' ÷ ', ' × ' means ' - ' and ' ÷ ' means ' + ' then 18 × 9 ÷ 3 + 8 - 4 = ?

If '+' means '÷', '-' means ' X ', ' X ' means '+', '÷' means '-', what will come in place of the question mark(?)?

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.

400 * 100 * 25 * 15 * 12 = 452

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

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

What will be the value of expression if the signs ‘(-)’ and ‘(+)’ are interchanged?

75 + 42 – 6 × 56 ÷ 7 + 6 × 3 – 2

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