First slide

Series

Question

Find the sum of given arithmetic progression
4+8+12+....+64

Moderate

A

540
B

544
C

546
D

455

Solution

$Here, a = 4, d = 4, n = 16 sum = \frac{n}{2} [first term + last term] = \frac{16}{2} [4 + 64] = 8 (68) = 544$

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App