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Per NCERT, the sequence 1, 4, 9, 16, 25, 36, ... consists of which numbers?
ATriangular numbers
BCube numbers
CFibonacci numbers
DSquare numbers (n² for n = 1, 2, 3, ...)
Answer & Solution
Correct answer: D. Square numbers (n² for n = 1, 2, 3, ...)
Per NCERT §8.1, 1, 4, 9, 16, 25, 36 are squares of natural numbers (n²). The other options misclassify.
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