$$\left({?-0.5\over 0.2} \right)={120\over 2}$$

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 :

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

If 5x + 5 > 2 + 2x and 5x + 3 ≤ 4x + 5; then x can take which of the following values?

If m + n = 1, then what will be the value of m³ + n³ + 3mn?

$$ {40 \%}\ of( {20\over 4}×?)=48$$

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