Home / Puzzles / Sudoku Mini

15 Sudoku Mini Questions and Answers

15 solved Sudoku Mini questions with step-by-step explanations. Includes formulas, shortcuts, and tips for placement tests and competitive exams.

Play Timed Quiz View Tutorial

Advanced sudoku mini questions for experienced learners. These medium-to-hard questions test deeper understanding and are ideal for those who have already mastered the basics. Each question includes a detailed explanation.

Q1 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 4 2 0 1 | R2: 1 0 0 4 | R3: 2 4 1 3 | R4: 3 0 0 2. Find the value at R4C2.

  • A. 3
  • B. 4
  • C. 1 ✓
  • D. 2
Explanation: For R4C2, row and column each miss multiple values, but their intersection leaves only 1.
Q2 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 1 0 4 3 | R2: 3 4 0 1 | R3: 2 0 0 4 | R4: 0 3 1 2. Find the value at R3C3.

  • A. 2
  • B. 4
  • C. 1
  • D. 3 ✓
Explanation: For R3C3, row and column each miss multiple values, but their intersection leaves only 3.
Q3 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 2 3 0 4 | R2: 0 4 0 3 | R3: 0 1 3 2 | R4: 3 2 0 1. Find the value at R2C1.

  • A. 4
  • B. 3
  • C. 2
  • D. 1 ✓
Explanation: For R2C1, row and column each miss multiple values, but their intersection leaves only 1.
Q4 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 1 4 3 2 | R2: 3 0 1 4 | R3: 2 3 4 1 | R4: 4 1 2 3. Find the value at R2C2.

  • A. 3
  • B. 4
  • C. 1
  • D. 2 ✓
Explanation: In R2C2, only 2 is missing when checking row and column uniqueness.
Q5 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 4 2 1 0 | R2: 3 0 2 0 | R3: 1 3 0 2 | R4: 2 0 3 1. Find the value at R2C4.

  • A. 2
  • B. 3
  • C. 1
  • D. 4 ✓
Explanation: For R2C4, row and column each miss multiple values, but their intersection leaves only 4.
Q6 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 2 4 1 3 | R2: 1 3 0 4 | R3: 3 1 4 2 | R4: 4 2 3 1. Find the value at R2C3.

  • A. 2 ✓
  • B. 1
  • C. 4
  • D. 3
Explanation: In R2C3, only 2 is missing when checking row and column uniqueness.
Q7 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 3 1 4 2 | R2: 2 4 1 3 | R3: 4 0 3 1 | R4: 1 3 2 4. Find the value at R3C2.

  • A. 3
  • B. 4
  • C. 2 ✓
  • D. 1
Explanation: In R3C2, only 2 is missing when checking row and column uniqueness.
Q8 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 1 3 0 2 | R2: 4 0 0 3 | R3: 0 0 2 4 | R4: 0 4 0 1. Find the value at R2C2.

  • A. 4
  • B. 1
  • C. 3
  • D. 2 ✓
Explanation: For R2C2, row+column allow multiple candidates; applying the 2x2 box rule fixes it to 2.
Q9 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 4 2 1 0 | R2: 1 3 4 2 | R3: 2 4 3 1 | R4: 3 1 2 4. Find the value at R1C4.

  • A. 4
  • B. 1
  • C. 3 ✓
  • D. 2
Explanation: In R1C4, only 3 is missing when checking row and column uniqueness.
Q10 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 2 4 3 1 | R2: 1 3 4 2 | R3: 3 1 2 4 | R4: 0 2 1 3. Find the value at R4C1.

  • A. 1
  • B. 4 ✓
  • C. 3
  • D. 2
Explanation: In R4C1, only 4 is missing when checking row and column uniqueness.
Q11 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 4 2 1 0 | R2: 0 0 2 4 | R3: 0 3 4 0 | R4: 2 4 3 1. Find the value at R3C4.

  • A. 4
  • B. 2 ✓
  • C. 1
  • D. 3
Explanation: For R3C4, row and column each miss multiple values, but their intersection leaves only 2.
Q12 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 0 4 1 2 | R2: 0 0 0 0 | R3: 4 0 0 0 | R4: 2 1 4 3. Find the value at R3C2.

  • A. 4
  • B. 2
  • C. 1
  • D. 3 ✓
Explanation: For R3C2, row+column allow multiple candidates; applying the 2x2 box rule fixes it to 3.
Q13 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 1 0 3 4 | R2: 0 3 2 1 | R3: 0 1 0 3 | R4: 3 4 0 2. Find the value at R3C3.

  • A. 4 ✓
  • B. 2
  • C. 3
  • D. 1
Explanation: For R3C3, row and column each miss multiple values, but their intersection leaves only 4.
Q14 Medium

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 0 1 2 3 | R2: 0 0 1 4 | R3: 1 0 0 2 | R4: 2 3 4 1. Find the value at R2C2.

  • A. 3
  • B. 1
  • C. 4
  • D. 2 ✓
Explanation: For R2C2, row and column each miss multiple values, but their intersection leaves only 2.
Q15 Hard

Use digits 1-4 exactly once in each row, column, and 2x2 box. Grid: R1: 3 0 4 1 | R2: 1 4 2 0 | R3: 2 3 1 4 | R4: 0 0 0 2. Find the value at R4C2.

  • A. 2
  • B. 1 ✓
  • C. 4
  • D. 3
Explanation: For R4C2, row and column each miss multiple values, but their intersection leaves only 1.

More Sudoku Mini Practice Resources

For more sudoku mini practice, try our timed quiz mode that generates fresh questions every session.

Timed Quiz → Tutorial → Chessboard Puzzles Clock Puzzles Maze Routes Pattern Grids Riddle Logic River Crossing