LIST I | LIST II | ||
A. | KMnO4 | I. | Orange |
B. | K2Cr2O7 | II. | Green |
C. | K2CrO4 | III. | Yellow |
D. | K2MnO4 | IV. | Purple |
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?
\(2, 6, 12, 20, 30, \ ?\)