What will come in place of the question-mark in the following questions `sqrt(11449)xxsqrt(6241)-(54)^2` =`sqrt(?) + 74^2`

What will come in place of the question mark (?) in the following questions ? sqrt(11449) xx sqrt(6241) - (54)^(2) = sqrt(?) + (74)^(2)

What will come in place of the question-mark (2) in the following questions? sqrt(23409) = ?

What will come in place of the question-mark (2) in the following questions? sqrt225 +sqrt2304 =? -(12)^2

What will come in place of the question-mark (2) in the following questions? sqrt(450+890+685)=?

What will come in place of question mark(?) in the following questions? (sqrt5-2)^2=?-sqrt(80)

What will come in place of question mark(?) in the following questions? sqrt8^2+(5)^3+(2)^6=?

What will come in place of question mark(?) in the following questions? (54)/(sqrt(0.81))xx1/(18)=?