Find the missing number from the below options.[Image of a 3 × 3 grid with the following numbers:Row 1: 5, 6, 121Row 2: 8, 9, 289Row 3: 7, 8, ?] ![image](https://pub-7faa453bd1ec4bf0a04cc031c6f058de.r2.dev/images/e3e06d37-0e32-4f67-ae27-cfa681cee63c.png)

Find the missing number from the below options.[Image of a 3 × 3 grid with the following numbers:Row 1: 5, 6, 121Row 2: 8, 9, 289Row 3: 7, 8, ?] ![ima - General Intelligence and Reasoning MCQ Staff Selection Commission 2026 | ExamTest.live

mediumMCQStaff Selection Commission2026General Intelligence and Reasoning

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Find the missing number from the below options.[Image of a 3 \times 3 grid with the following numbers:Row 1: 5, 6, 121Row 2: 8, 9, 289Row 3: 7, 8, ?]

Let's analyze the mathematical relationship across the rows:Row 1: 5, 6, 121 $ (5 + 6)^{2} = 1 1^{2} = 121 R o w 2 : 8, 9, 289 $(8 + 9)^2 = 17^2 = 289 Row 3: 7, 8, ? $ (7 + 8)^{2} = 1 5^{2} = 225 $ The missing number is 225.

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Find the missing number from the below options.[Image of a 3 \times 3 grid with the following numbers:Row 1: 5, 6, 121Row 2: 8, 9, 289Row 3: 7, 8, ?]

225

144

256

169

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