What is the value of y in the following equation?
(1÷23) of [2{3 + 4(35 + 7)}] = y

What is the value of $${{0.6}÷{0.6}×{0.6}+{0.5}×{0.5}÷{0.5}\over{0.6}×{0.5}+{0.3}}$$ ?

$$ 11^{2}-4096^{1\over 4}+100^{1\over2}=?$$

Simplify the following expression.
12 + 2.5 + (1.5 of 4) - 2.6

$$\left(4{2\over3} + {5{1\over 6}}\right)× {45 \%} \ of \ 240=?$$

115% of 4880 – 85% of 1640 = ?

If x = 222, y = 223 and z = 224, then find the value of x³+y³+z³-3xyz

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

× And ÷

20 + 5 ÷ 6 × 2 – 5