Black soil belongs to the

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.

60 * 48 * 36 * 6 * 15 * 53

If 'A' means ' X ', 'B' means '÷', 'C' means '+' and 'D' means ' - ', then what will come in the place of '?' in the given expression?

87 D 29 A 12 B 5 C 9 = ?

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

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

If '÷' means '+', '+' mean '-', 'x' means '÷' and '-' means 'x', then what will be the value of the given expression:

12 – 6 x 2 + 5 ÷ 9

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

8 – 26 + 15 × 18 ÷ 6 = 220