How many terms of the AP: -15, -13, -11,— are needed to make the sum -55? Explain the reason for double answer. — are needed to make the sum -55? Explain the reason for double answer. 11 13 How many terms of the AP: -15 November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related