The first and last term of an A.P. are 1 and 11. If the sum of its terms is 36, then the number of terms will be
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For an A.P the sum of first 30 terms is 1155,the common difference is 3and the thirtieth term is 82. What is the first term?
How many terms of AP 54, 51, 48… are required to give a sum of 513?
If the sum of n terms of an AP is 3n^{2}+5n then which of its terms is 164?
For an A.P. t_{n }= 2n+3, what is the formula for S_{n}?
If for an A.P.S_{n} = n^{2} + 3n What is the n th term?
What is the sum of the first 25 terms of the A.P 10,7,4,…….?
The sum of the first n terms of an A.P. is 2235.The first term is 2 and the common difference is 5. What is n = ?
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Important Formulas: Arithmetic Progressions Doc  5 pages 
Practice Test: Arithmetic Progressions Test  25 ques 
Previous Year Questions: Arithmetic Progressions Doc  15 pages 
NCERT Solutions: Arithmetic Progressions (Exercise 5.3)  1 Doc  8 pages 
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126 videos477 docs105 tests

Important Formulas: Arithmetic Progressions Doc  5 pages 
Practice Test: Arithmetic Progressions Test  25 ques 
Previous Year Questions: Arithmetic Progressions Doc  15 pages 
NCERT Solutions: Arithmetic Progressions (Exercise 5.3)  1 Doc  8 pages 
Important Questions: Arithmetic Progressions Test  10 ques 