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ECAT - Practice Test - Maths - Sequences and Series Quiz

Attempt 10 MCQs on ECAT - Practice Test - Maths - Sequences and Series | Quiz 4

31. Find the 20th term of the AP: 3, 7, 11, 15, ...



32. Find the sum of the first 8 terms of the AP: 3, 7, 11, 15, ...



33. Find the common ratio of the GP: 5, 10, 20, 40, ...



34. Find the 6th term of the GP: 5, 10, 20, 40, ...



35. Find the sum of the first 6 terms of the GP: 5, 10, 20, 40, ...



36. Find the sum of the infinite geometric series: 1 + 1/3 + 1/9 + 1/27 + ...



37. Does the infinite geometric series 1 + 1/√2 + 1/2 + 1/(2√2) + ... converge?



38. If an infinite GP has first term 1 and common ratio 1/2, what is its sum?



39. What is the relation between Arithmetic Mean (AM), Geometric Mean (GM), and Harmonic Mean (HM) for positive numbers?



40. For the numbers 2 and 8, find AM, GM, and HM.



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