Select the cubes that can be formed by folding the given sheet along the lines.

Select the correct mirror image of the given letter cluster when a mirror is placed on the right side of the cluster.![]()
Select the figure from among the given options that can replace the question mark (?) in the following series.
In the following Venn diagram, the pentagon stands for 'Librarians', the rectangle stands for 'Income Tax Payers', and the circle stands for 'Post-graduates'. The given numbers represent the number of persons in that particular category.
How many librarians are there who are also post-graduates?