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HEC ETC - USAT CS Entry Test - Mathematics - Sequences and Series - Quiz 2

Practice 10 high yield MCQs on Mathematics from Chapter Sequences and Series for USAT CS Entry Test. After submission, get instant results with correct answers and detailed explanations. This is Quiz 2 of the series.

11. What is the sum of the first 5 terms of 2, 6, 18, 54, ...?



12. What is a harmonic sequence?



13. Which is a harmonic sequence?



14. What is the difference between AP and GP?



15. What is the arithmetic mean between a and b?



16. What is the geometric mean between a and b?



17. What is the sum of an infinite GP with |r| < 1?



18. What is the sum of the infinite GP 1 + 1/2 + 1/4 + 1/8 + ...?



19. What does Σ notation represent?



20. What is the sum Σ_{i=1}^{n} i?



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Instructions: Select one answer per question. After submitting, you will see your score, correct answers, and explanations.

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