Matrix and grid-based puzzles – UGC NET Question

A is correct because arranging data in a table helps track multiple attributes. B is true as Latin squares require each symbol exactly once per row and column. D is also correct since elimination based on clues is a standard approach to such puzzles. C is false because a standard Sudoku requires each number 1–9 exactly once in each row, column and each 3×3 sub-grid, and E is false as these puzzles frequently appear in reasoning sections. Thus A, B and D only are correct.

Option A:
Option A properly groups the three accurate statements about how grid puzzles are structured and solved, while rejecting C and E, both of which misdescribe Sudoku rules and exam usage. It matches the reasoning component of Unit 5.

Option B:
Option B includes C, which wrongly allows repetition within sub-grids, and therefore cannot be correct despite containing other true statements.

Option C:
Option C mistakenly contains E, which denies the presence of such puzzles in exams, and omits A, which explains the row–column organisation. This makes the option both erroneous and incomplete.

Option D:
Option D includes E and so inherits the error that these puzzles never appear in aptitude tests, even though it includes some correct ideas. As a result, it is an invalid combination.