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

8 * 12 * 7 * 5 * 3 * 201

If '+' means '÷', '-' means ' X ', ' X ' means '+', '÷' means '-', what will come in place of the question mark(?)?

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

9 ÷ 3 + 6 – 6 × 2 = 30

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

30 * 4 * 2 * 1 * 121

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

8 – 26 + 15 × 18 ÷ 6 = 220

After interchanging the given two signs, what will be the value of the given equation?

- and X

144 + 216 ÷ 8 - 12 X 175 + 34

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

8 – 32 + 20 × 15 ÷ 3 = 271

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

If + denotes ÷, × denotes -, - denotes ×, and ÷ denotes +, what is the value of the following expression:

If ‘@’ means (+), ‘#’ means (-), ‘%’ means (×), and ‘&’ means (÷), then what is the value of the expression: