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  If $ means +, # means - , @ means x and * means ÷, then what is the value of 22 $ 3 @ 10 # 21 * 7 =?

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

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

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

5 * 14 * 6 * 8 * 9 * 502

Which one of the given mathematical operations will result in 429?

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

9 % 14 % 9 % 90 % 42 % 15

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

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

8 × 12 ÷ 3 – 6 = 40 + 2

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