Question
Which of the following numbers will replace the question
mark (?) in the given series? 289, 324, 361, 400, ?, 484, 529Solution
The numbers in this series are the squares of consecutive integers starting from 17. 17² = 289 18² = 324 19² = 361 20² = 400 21² = 44 22² = 484 23² = 529
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