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Sequences and Series Quiz
Class XI
Mathematics
Sequences and Series
13 questions
EASY
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Preview questions
1. What is the general form of an arithmetic sequence?
a, a+d, a+2d · a, ar, ar^2 · a, a^2, a^3 · a, a-b, a-b^2
2. In an arithmetic sequence, the difference between consecutive terms is called:
Common ratio · Common difference · Term value · Sequence gap
3. The sum of the first n terms of an arithmetic series can be calculated using which formula?
S_n = n/2 * (2a + (n-1)d) · S_n = n/2 * (a + l) · S_n = n * a · S_n = a * r^n
4. If the first term of an arithmetic sequence is 5 and the common difference is 3, what is the 4th term?
14 · 20 · 17 · 11
5. What type of sequence is defined by a constant ratio between consecutive terms?
Arithmetic sequence · Geometric sequence · Harmonic sequence · Quadratic sequence
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