Subject

    মানসিক দক্ষতা

    Topic

    চিত্রভিত্তিক প্রশ্ন

    Which number will be placed at to sign of interrogative?

    ক)
    20
    খ)
    26
    গ)
    25
    ঘ)
    75

    Explanation

    Looking at the first two trees: - Tree 1: Nodes 2 and 4 → Result 20 - Tree 2: Nodes 3 and 9 → Result 90 After analyzing possible patterns, I found that: - 2² + 4² = 4 + 16 = 20 ✓ - 3² + 9² = 9 + 81 = 90 ✓ Therefore, the pattern is: square each number and add them together. For the third tree with nodes 1 and 5: 1² + 5² = 1 + 25 = 26 The answer is B) 26.

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