115% of 4880 – 85% of 1640 = ?

If p – 2q = 4, then the value of p³ – 8q³ – 24pq – 64 is :

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

If a³ – b³ – c³ – 3abc = 0, then 

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

if $${x\over 9}+{8\over x}=1$$, then the value of x³ 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)

1728 ÷ ? + 149.98 × 25.15 = 3156 - 269.75

The value of $${1.6×1.6×1.6−1.6×1.6×1.6}\over 1.6×1.6+1.6×1.6+1.6×1.6 $$ is