TISS-NET (PG) sequences_and_series_gp — practice questions
14 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice TISS-NET (PG) sequences_and_series_gp in the app →In a geometric progression (GP) with first term a and common ratio r, the nth term aₙ isThe common ratio of the GP 5, 25, 125, … isThe sum of the first n terms of a GP (a, ar, ar², …) when r ≠ 1 isIf aₙ = 2n + 5, then a₁, a₂, a₃ areThe Fibonacci sequence is defined by a₁ = a₂ = 1 and aₙ = a_{n−1} + a_{n−2}. Its first five terms areWhich term of the GP 2, 8, 32, … equals 131072?In a GP, the 3rd term is 24 and the 6th term is 192. The 10th term isThe sum to 5 terms of the GP 1 + 2/3 + 4/9 + … isThe sum to infinity of the GP a + ar + ar² + … exists if and only ifWhich expression gives the sum to infinity of 1 + 1/2 + 1/4 + 1/8 + …?In a GP, the sum of the first three terms is 13/12 and their product is −1. The common ratio isHow many terms of the GP 3, 3/2, 3/4, … sum to 3069/512?Sum to n terms of the series 7 + 77 + 777 + … equalsThe 20th term of the sequence aₙ = (n − 1)(2 − n)(3 + n) is