Question

Express 144 as the sum of 12 odd number find the sum of the first 30 natural number​

Answer 1

Answer:

12 odd numbers are 1,3,5,7,9,11,13,15,17,19,21 and 23

so their sum is

1+3+5+7+9+11+13+15+17+19+21+23

=144

and sum of 30 natural number is

465

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Answer 2

Answer

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