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ECAT - Practice Test - Maths - Sequences and Series Quiz

Attempt 10 MCQs on ECAT - Practice Test - Maths - Sequences and Series | Quiz 1

1. What is the general formula for the nth term of an arithmetic progression (AP) with first term a and common difference d?



2. Find the common difference of the AP: 3, 8, 13, 18, ...



3. What is the 10th term of the AP: 2, 5, 8, 11, ...?



4. What is the formula for the sum of the first n terms of an AP?



5. If the first term is a and the last term is l, the sum of n terms of an AP is:



6. Find the 5th term of the AP: 2, 5, 8, 11, ...



7. What is the arithmetic mean between two numbers a and b?



8. Find the next term in the AP: 2, 5, 8, 11, 14, ...



9. Find the sum of the first 5 terms of the AP: 2, 5, 8, 11, 14.



10. What is the sum of the first 10 terms of the AP: 2, 5, 8, ...?



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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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