?, 6, 6, 9, 18,

Select the different combination of mathematical signs that can sequentially replace the # sign and balance the given equation.

63 # 9 # 52 # 10 # 4 = 19

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 below equation mathematically correct?

9 ÷ 3 + 6 – 6 × 2 = 30

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

Read the directions carefully and answer the following questions.

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

6 % 11 % 6 % 37 % 30 % 7

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