How does the board contribute to external reputation and

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

72 # 91 $ 7 & 4 @ 18

If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by”

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

Sign: + and ÷

Equation: 54 - 22 X 198 + 9 ÷ 420

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 that can sequentially replace the * signs and balance the given equation.

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

A seller sold a vehicle for Rs. 81,000 with the loss of 10%. At what price be sold to earn 10% profit?

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

52 – 27 ÷ 9 + 7 × 5 = 20

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