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Logic and Mathematical Puzzles Quiz
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Find next number in this series 25,100,225,400,--
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A
625
💡 Explanation:
The series is squares of odd numbers: 5^2=25, 10^2=100, 15^2=225, 20^2=400. Continuing the pattern, 25^2=625. Each term increases by 5 in the base number before squaring.