An AP consists of 37 terms. The sum of the three middle most terms is 225 and the sum of the last three is 429. Find the AP. An AP consists of 37 terms. The sum of the three middle most terms is 225 and the sum of the last three is 429. Find the AP. November 23, 2020 Category: Chapter 5 - Arithmetic Progressions , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related Find the sum of all the 11 terms of an AP whose middle most term is 30.The sum of four consecutive numbers in AP is 32 and the ratio of the product of the first and the last to the product of two middle terms is 7 : 15 . Find the numbers.The sum of first three terms of an AP is 33. If the product of the first and the third terms exceeds the second term by 29, find the AP.