Which of the following scrambles a message by applying a secret code?

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

32 * 366 * 6 * 2 * 134 = 20

Which of the following interchange of numbers and mathematical signs would make the given equation correct?

72 ÷ 8 × 9 − 36 + 20 = 80

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:

76 *(5*8*4)*9*75

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

3 * 12 * 4 * 5 * 4 * 116

If we interchange 2 and 1, then what will be the resultant of the given equation?

21+ 18 ÷ 6 × 12 – 7 = ?

4 – 10 × 5 + 9 ÷ 3 = 51