A metal M crystallizes into two lattices :- face centred cubic (fcc) and body centred cubic (bcc) with unit cell edge length of 20 and \(25 \,\mathring{A}\) respectively The ratio of densities of lattices fcc to bcc for the metal M is ___(Nearest integer)
The following data shows the number of students in different streams in a school:
Which type of graph is best suited to represent this data?
What comes next in the series?
\(2, 6, 12, 20, 30, \ ?\)