Question 29Asked in DSSSB TGT Computer Science (Technical), 13 Sep 2025, Shift 3 (5:00 PM)

When solving a Sudoku puzzle using computational thinking, which step is the most critical

When solving a Sudoku puzzle using computational thinking, which step is the most critical for ensuring efficiency?
  1. AProblem decomposition
  2. BAbstraction
  3. CBrute force approach
  4. DPattern recognition
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Correct answer: (D) Pattern recognition

Explanation

Sudoku is solved efficiently by recognising patterns, such as which numbers are missing in rows, columns and boxes. This cuts down the possibilities far more than brute force.

From DSSSB TGT Computer Science PYQ (Technical), 13 Sep 2025, Shift 3 (5:00 PM)

This is question 29 of DSSSB TGT Computer Science PYQ (Technical), 13 Sep 2025, Shift 3 (5:00 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.