Solve the equation : 1 + 4 + 7 + 10 +…+ x = 287 Solve the equation : 1 + 4 + 7 + 10 +...+ x = 287 November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related