$${\sqrt{4×?}}={160\over 10}$$

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

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

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

× And ÷

20 + 5 ÷ 6 × 2 – 5

What should come in place of the question mark (?) in the following mathematical statement?
$${{?^6÷16=108}}$$

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

(0.85 % of 405 ) + (2.25 % of 550 )=?

The value of is equal to: