Each square number is the sum of:
AOdd numbers
BEven numbers
CPrime numbers
DSquare numbers
Answer & Solution
Correct answer: A. Odd numbers
1. The differences between square numbers run 3, 5, 7, 9.
2. Those differences are the odd numbers.
3. So each square number is the sum of the odd numbers up to it.
4. The answer is odd numbers.
_Source: NCERT Class 9 Mathematics, Ch 8 'Predicting What Comes Next: Exploring Sequences and Progressions'_
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