The request/reply protocol for exchanges on the internet

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

48 * 14 * 7 * 11 * 4 = 89

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.

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

24 and 15

If 'A' means (+), 'B' means (-), 'C' means (÷), and 'D' means ( X ), then what is the value of the following expression?

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

Which among the given operators should replace the “%” (in the same order) in the given expression below:

8 % 13 % 8 % 69 % 36 % 9