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

Which two signs should be interchanged in the following equation to make it correct:

490 ÷ 70 + 5 × 28 – 15 = 48

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

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

12 – 6 x 2 + 5 ÷ 9

If ‘P’ means ‘+’, V means ‘×’, T means ‘-‘ and ‘Q’ means “÷’ , then find the value of the expression given below:

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

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

42 – 32 ÷ 2 + 8 × 6 = 10

Select the number from among the given options that can replace the question mark (?) in the following series.

24, 35, 51, 73, 102, ?

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

62 – 14 × 75 ÷ 15 + 50 = 82

Which expression is correct?