Which country officially joined BRICS as a partner state

What will come in place of ‘?’ in the given expression?

13 × 11 + 12² + 27 × (2/3) = ?

In the following question, which mathematical operators can be used so that the expression will become correct?

9 * 6 * 28 * 4 * 30

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

- and X

144 + 216 ÷ 8 - 12 X 175 + 34

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

If ‘P’ means (÷), ‘Q’ means (×), ‘R’ means (+), and ‘S’ means (-), then what is the value of the expression:

Statements:

B ≥ K ≤ C; Q > K > X; M = Q < P

Conclusions:

I. P > X

II. C ≥ M

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

If 6$144 = 24, 8$232 = 29 then what is the value of 5$110 = ?

If ' + ' means ' × ', ' - ' means ' ÷ ', ' × ' means ' - ' and ' ÷ ' means ' + ' then 18 × 9 ÷ 3 + 8 - 4 = ?