Question

Find the sum of first 20 odd natural numbers by ap

wrong answer will be reported....​

Answer 1

Answer:

please make my answer in the brainlist

Answer 2

Answer:

Arithmetic Progression used:

$\frac{n}{2}$ × $(highest+lowest$ $terms)$

$= \frac{20}{2}$ × $(1+39)$

$= 10$ × $40$

$=400$

Hence, the sum of first 20 odd natural numbers is 400

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