The sum of the first n terms of an A .P. is given by Sn = 3n2
Previous Year Papers
Download Solved Question Papers Free for Offline Practice and view Solutions Online.
Test Series
Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.
Test Yourself
Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement
Arithmetic Progressions
Short Answer Type
141.
If the nth term of an A .P. is (2n + 1), find the sum of first n terms of the A .P.
96 Views
142.
Find the sum of all two digit odd positive numbers.
163 Views
143.
Find the sum of all multiples of 9 lying between 300 and 700.
292 Views
144.
Find the sum of all multiples of 7 lying between 500 and 800.
146 Views
Advertisement
145.
Which term of the A .P. 5, 9, 13,..........is 81 ? Also find the sum 5 + 9 + 13 +.........+ 81.
91 Views
146.
Which term of the A .P. 5, 9, 13,..........is 81 ? Also find the sum 5 + 9 + 13 +.........+ 81.
134 Views
147.
The sum of first n terms of an A .P. is given by (n
2
+ 5n), find the 25th term of the progression.
121 Views
148.
Which term of the A .P. 6, 10, 14..........is 102 ? Also find the sum 6 + 10 + 14 +........... 102.
169 Views
Advertisement
149.
Find the sum of the first 51 terms of the A .P. whose 2nd term is 2 and nth term is 8.
101 Views
Advertisement
Zigya App
150.
The sum of the first n terms of an A .P. is given by S
n
= 3n
2
– n. Determine the A .P. and its 25th term.
Solution not provided.
Ans. 146
105 Views
Advertisement
14
15
16
Advertisement
Flag it
Incomplete
Incorrect
Repetitive
Suggest Edit
Submit
Switch to
Other Topics
Other Subjects
Test Yourself
Full Test Series
Sectional Test Series
Previous Year Papers
Share it
Facebook
WhatsApp
Twitter
Google Plus
Linkedin
Copy Link
https://www.zigya.com/share/TUFFTjEwMDQyODEw
Share it
WhatsApp
Facebook
Twitter
Google Plus
Linkedin
Copy Link