Question
Study the given pattern carefully and select the number
that can replace the question mark (?) in it:Solution
The logic followed here is: In column 1 2823 = √ 196 + 53 ² 2823 = 14 + 2809 In column 3 987 = √ 676 + 31 ² 987 = 26 + 961 Similarly,  = √ 144 + x² 1861 - 12 = x ² 1849 = x² x = √ 1849 x = 43
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