Question

7) The sum of first 18 odd natural numbers is​

Answer 1

Answer:

The number series 1, 3, 5, 7, 9, . . . . , 35. Therefore, 324 is the sum of first 18 odd numbers.

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Answer 2

Answer:

3+5+7+9+11+13+15+17+19

+21+23+25+27+29+31+33

+35+37..

360