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Explanation:
Thus, sum of all 40 terms of AP = 7420
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CBSE Class 10 Mathematics: Long Answer Type Questions with Solutions
Also Check: CBSE Class 10 Maths Important Questions for Board Exam 2021
All these Class 10 Mathematics Important Questions have been prepared after carrying a thorough analysis of the trend followed in previous years’ Class 10 Maths CBSE question papers. Questions have been picked from the most important topics of Class 10 Maths. Thus practicing these questions will help to cover a significant part of the curriculum thus making an effective preparation for the CBSE Class 10 Board Exam 2021. Moreover, the solutions provided here will give an idea to present your answers in the best way to grab maximum scores.