Find the value of given expression. 

[76 – {90 ÷ 5 ⨯ (24 – 36 ÷ 3) ÷ 3}] 

Direction : What value should come in the place of question mark (?) in the following questions?

125% of 2440 – 75% of 1856 = ?

What is the value of X ?, if 7580 - X = 3440

The value of   $$ {(0.03)^2 - (0.01)^2}\over 0.03-0.01 $$

Simplify the following equation
$$ {\sqrt{(1-sin^{2}θ) ÷{(1-cos^{2}θ)}}}$$

The value of $${\sqrt{40+\sqrt{9\sqrt{81}}} }$$ is

If $$ {\sqrt{1+{473\over{256}}}=1+{x\over 16}}$$ then what does x equal to ?

If the average of 11, 23 and x is 40, then what is the value of x?