What is the value of
\(
\frac{1.6 \times 1.6 \times 1.6 - 0.6 \times 0.6 \times 0.6}{1.6 \times 1.6 + 1.6 \times 0.6 + 0.6 \times 0.6}
\)
What is the value of \(
x + \frac{2}{x}
\), where x>0 and if
\(
x^{4} + \frac{16}{x^{4}} = 15617
\)
The pie chart shows the marks obtained by student Q in 6 subjects. The total marks obtained by students in these subjects is 700. Marks obtained in a particular subject is shown as a % of total marks obtained in all 6 subjects.
What is total marks obtained in Q, S and U?