Average weight of a team of 16 persons is 37 kg. When

If A $ B means A X B, A € B means A ÷ B, A & B means A + B and A @ B means A - B, then what is the value of '178 & 100 € 25 @ 18 $ 4 & 22'?

Which of the following “signs” are placed in place of “symbols” given in the equation to make the equation true?

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

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

25 * 55 * 30 * 66 * 48 = 48

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

400 * 100 * 25 * 15 * 12 = 452

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

87 D 29 A 12 B 5 C 9 = ?

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

A toy is sold for Rs. 800 at 60% profit when profit is calculated on selling price. Find the profit% on cost price?