Mathematics Arithmetic Progressions CBSE Board 2026
Find the sum of the first 28 terms of an A.P. whose n^{\text{th}} term is given by a_{n} = 3n - 2.
Find the sum of the first terms of an A.P. whose term is given by .
🔒 Step-by-step solution
Sign up free to reveal the full worked solution — hints, steps and the final answer, with a Solve-with-us walkthrough.
More questions from Arithmetic Progressions
Class 10 Mathematics — every question with an expert-verified, step-by-step solution.
- Q1 In which of the following situations does the list of numbers involv…
- Q2 Write the first four terms of the AP when the first term a and the…
- Q3 For the following APs, write the first term and the common differe…
- Q4 Which of the following are APs? If they form an AP, find the comm…
- Q1 Fill in the blanks in the following table, given that a is the fir…
- Q2 Choose the correct choice in the following and justify: (i) 30th t…
- Q3 In the following APs, find the missing terms in the boxes: (i) 2…
- Q4 Which term of the AP: 3, 8, 13, 18, \ldots, is 78?
- Q5 Find the number of terms in each of the following APs: (i) 7,\ 13…
- Q6 Check whether -150 is a term of the AP: 11, 8, 5, 2, \ldots
- Q7 Find the 31st term of an AP whose 11th term is 38 and the 16th te…
- Q8 An AP consists of 50 terms of which 3rd term is 12 and the last …