Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
Option 1: 273
Option 2: 150
Option 3: 253
Option 4: 303
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Correct Answer: 253
Solution : Add the square of row two with the multiplication of row one and row two, to get the third number –
In column one: 18 × 7 + 7 2 = 126 + 49 = 175 In column two: 21 × 15 + 15 2 = 315 + 225 = 540 Similarly, follow the same pattern in column three → 12 × 11 + 11 2 = 132 + 121 = 253
So, the required missing number in the matrix is 253. Hence, the third option is correct.
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