Find Common Difference when First Term, Number of Terms and Sum of N Terms is Given
Find Common Difference when First Term, Number of Terms and Sum of N Terms is Given
Find The Common Difference When First Term, Number of Terms and Sum of N Terms is given:
In these type of problems we will use the formula
will find the value of d ( Common Difference) by substituting the value of a (the first term), n(number of terms) and ( Sum of n term) in the equation.
For Example: Find the common difference of an AP whose first term is -3 number of terms is 15 and sum is 60
Solution:
Substituting the value of a, n,
7= 7d
d= 1
If the sum of the first 7 terms of the AP is 210 and its first term is 27 the common difference is _____________ | |||
| Right Option : B | |||
| View Explanation | |||
If the sum of the first 5 terms on an AP is 160 and its first term is 6, its common difference is _______________ | |||
| Right Option : C | |||
| View Explanation | |||
If the sum of the first 6 terms of an AP is 480 and its first term is 35, its common difference is ________________ | |||
| Right Option : C | |||
| View Explanation | |||
Students / Parents Reviews [10]
One of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
10thBeing a parent, I saw my daughter improvement in her studies by seeing a good result in all day to day compititive exam TMO, NSO, IEO etc and as well as studies. I have got a fruitful result from my daughter.
Prisha Gupta
8thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thIt was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
Eshan Arora
8thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
Ayan Ghosh
8thMy experience with Abhyas academy is very good. I did not think that my every subject coming here will be so strong. The main thing is that the online tests had made me learn here more things.
Hiya Gupta
8thAbhyas is a complete education Institute. Here extreme care is taken by teacher with the help of regular exam. Extra classes also conducted by the institute, if the student is weak.
Om Umang
10thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
Shreya Shrivastava
8thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
Archit Segal
7thIt has a great methodology. Students here can get analysis to their test quickly.We can learn easily through PPTs and the testing methods are good. We know that where we have to practice
