1.

1 + 3 + 5 + 7 + 9 = A) 92 B) 72 C) 52 D) 42

Answer»

Correct option is  C) 52 

Correct option is (C) 52

1 + 3 + 5 + 7 + 9 = \(5^2\)

\((\because\) 1+3+5+...+ (2n+1) = \(n^2)\)



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