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ECAT - Practice Test - Maths - Sequences and Series Quiz

Attempt 10 MCQs on ECAT - Practice Test - Maths - Sequences and Series | Quiz 5

41. If the nth term of an AP is given by 3n + 2, what are the first term and common difference?



42. If the nth term of a GP is 2 * 3^(n-1), what are the first term and common ratio?



43. For what values of p does the p-series ∑1/n^p converge?



44. The infinite geometric series with first term 1 and common ratio 0.5:



45. Find the geometric mean of 4 and 16.



46. Find the harmonic mean of 2 and 6.



47. The sequence 1, 1/2, 1/4, 1/8, ... is a:



48. The sequence 1, 1/2, 1/3, 1/4, 1/5, ... is a:



49. What is the sum of the first n natural numbers?



50. What is the sum of the squares of the first n natural numbers?



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