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

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

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

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

× And ÷

20 + 5 ÷ 6 × 2 – 5

If $${32÷16-5×2\over 11÷22×8-5×2}={1\over p}$$then what is the value of P?

If $$ A = {1\over 2}+{1\over 3}×{1\over 4}÷{1\over 5}-{1\over 6}$$ and $$B={1\over 2}÷{1\over 3}×{1\over 4}+{1\over 5} $$ , then what is the value of A - B?

Simplify the following expression.

 25-(4÷2)+11.5+9.5

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