GATE DA 2025 Set 1 — Question 3
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General Aptitude → Quantitative Aptitude → Data Interpretation (Bar, Pie, Graphs, Tables)
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Question
A digital image has pixel intensities () as shown in the figure. The number of pixels with is:
| 0 | 1 | 0 | 2 |
|---|---|---|---|
| 4 | 7 | 3 | 3 |
| 5 | 5 | 4 | 4 |
| 6 | 7 | 3 | 2 |
Correct answer
(C) 11
Solution
We need to count the number of pixels where the intensity .From the given grid:
Row 1: 0, 1, 0, 2 (All 4 are )
Row 2: 4, 7, 3, 3 (Values 4, 3, 3 are 3 pixels)
Row 3: 5, 5, 4, 4 (Values 4, 4 are 2 pixels)
Row 4: 6, 7, 3, 2 (Values 3, 2 are 2 pixels)Total count = .
Row 1: 0, 1, 0, 2 (All 4 are )
Row 2: 4, 7, 3, 3 (Values 4, 3, 3 are 3 pixels)
Row 3: 5, 5, 4, 4 (Values 4, 4 are 2 pixels)
Row 4: 6, 7, 3, 2 (Values 3, 2 are 2 pixels)Total count = .
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