Direction: What approximate value will come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)

468.02 + 79.91 ÷ 5.01 = ?²

If a + b + c = 2, a² + b² + c² = 26 then the value of a³ + b³ + c³ – 3abc is

Direction: What approximate value will come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)

{(540.34)/(17.99)} ÷ {(29.99)/(449.89)} × {1/(89.78)} = ?

If p = 99, then value of p(p² + 3p + 3) is

The value of 4÷12 of [3÷4 of {(4-2) x 6÷2}] -2x6÷8+3 is:

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

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

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