Under the Water (Prevention and Control of Pollution)

Select the correct combination of mathematical signs to replace the '@' signs and balance the given equation.

22 @ 6 @ 18 @ 17 @ 2

If '>' means 'Addition', '$' means 'Divide', '<' means 'Subtract', '%' means Multiply', Then '' 54 > 32 $ 8 < 6 % 5 ' = (?)

Which of the following interchange of sign would make the given equation correct?

45 × 9 + 5 ÷ 4 = 25

157 + 256 – 88 ÷ 8 × 4 = 117

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

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

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

8 – 42 + 15 × 20 ÷ 4 = 346

If ‘P’ means ‘+’, V means ‘×’, T means ‘-‘ and ‘Q’ means “÷’ , then find the value of the expression given below:

Select the correct combination of mathematical signs to replace (#) signs and to balance the given equation.

630 # 15 # 14 # 5 # 24 # 121