How many terms of the AP: 9,17,25,….. must be taken so that their sum is 636 ? ..... must be taken so that their sum is 636 ? 17 25 How many terms of the AP: 9 October 4, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related