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Per NCERT, the sum of the first 10 natural numbers (1 + 2 + ... + 10) equals which value?
A45
B100
C110
D55 (= 10 × 11 / 2)
Answer & Solution
Correct answer: D. 55 (= 10 × 11 / 2)
Per NCERT, S₁₀ = 10 × 11 / 2 = 55.
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