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Select the number that can replace the question mark (?) in the following series.
8, 11, 15, 23, 40, 73, ?
Given series is 8, 11, 15, 23, 40, 73, ?
The logic here is difference of differences of the numbers are the consecutive squares as shown below
The next square number will be 25 and the difference between required number and 73 should be 58.
$$\therefore\ $$Required number = 73 + 58 = 131
Hence, the correct answer is Option B
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