Which among the following can be called an electronic check ? 

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

30 * 4 * 2 * 1 * 121

In a given code form:

P + Q means P - Q

P ÷ Q means P × Q

P × Q means P + Q

P - Q means P ÷ Q

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

128 * 4 * 12 * 3 * 8 = 20

If 'A' stands for '-', 'B' stands for '×', 'C' stands for '+', and 'D' stands for '÷', then what is the value of the following expression.

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

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

24 * 2 * 16 * 2 * 13 = 53

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

32 * 366 * 6 * 2 * 134 = 20

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

Given set:  [92, 88, 80]