P can complete a work in 25 days, while Q can complete

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

12* 6 * 3 * 54 * 9 * 12

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

52 – 27 ÷ 9 + 7 × 5 = 20

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 ' X ', then what is the value of the following expression?

25 # 3 % 15 @ 35 ! 23

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

If the following interchanges are made in signs, then what would be the value of the following expression?

48 X 63 + 2 ÷ 9 - 35 

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

If 'A' stands for '-', 'B' stands for '×', 'C' stands for '+', and 'D' stands for '÷', then what is the value of the following expression.