alleryThe nth term of an AP with first term a and common difference d is
Aa + n * d directly
Ba + (n - 1) d
Ca * d to the power (n - 1)
Da / (n - 1) when n > 1
Answer & Solution
Correct answer: B. a + (n - 1) d
1. The second term adds d once to a.
2. The nth term adds d a total of (n - 1) times.
3. So a_n = a + (n - 1) d.
4. Hence option A is correct.
_Source: Selina Concise Mathematics Class 10, Ch on Arithmetic Progression (Mistral OCR'd PDF), section on nth term_
Keep practising Arithmetic & Geometric Progressions
Browse all Arithmetic & Geometric Progressions questions for Andhra Pradesh SSC (Class 10), or explore more Mathematics topics.
Related questions
If S_n = n^2 + 3 n, then first term and common difference areHow many three-digit numbers are divisible by 6?If sum of an AP is 100 and a = 5, l = 15, number of terms isIf a_n = 3 n + 5, the first three terms areSum of all natural numbers between 100 and 200 divisible by 7 isMiddle term of the AP 1, 5, 9, ..., 49 isSum of an AP with first term 7, last term 47 and 9 terms isIf 4th term is 11 and 9th term is 26, first term is