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ECAT Practice Maths Sequences and Series MCQs Test 3
ECAT Quiz
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ECAT Practice Maths Sequences and Series MCQs Test 3

Practice ECAT 2026 Practice Test Maths MCQs from Sequences and Series. Get instant results with Explanation.
Practice Quiz 3 for "Sequences and Series" (Maths). Total 51 MCQs available, split into 6 quizzes. Challenge yourself with advanced application-based questions. This area is highly tested in ECAT.
General10 MCQs
1. What is the common difference of A.P: 5, 11, 17, 23?
2. What is the 8th term of A.P 2,5,8,...?
3. What is the sum of the first 6 terms of A.P 2,5,8,11,14,17?
4. What is the sum of series 1+2+4+8+...+1024?
5. What is the product of first 3 terms of a G.P with a=2 and r=3?
General10 MCQs
6. What is the mean of first 5 natural numbers?
7. What is the sum of 1+3+5+... up to 10 terms?
8. What is the common ratio of sequence 5, -10, 20, -40?
9. What is the sum of 1 + 1/2 + 1/3? (not series, just sum?)
10. Which of the following sequences is arithmetic?

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Frequency: Quarterly | Time: 100 Minutes
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