Sequence and Series Questions With Solutions

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Sequence & Series (অনুক্রম ও ধারা)

Sequence & Series Quiz enhances your knowledge and skills in Sequence & Series and all problems related to Sequence & Series. You will have 10 minutes to complete the quiz and if you do not answer any question within the specified time, it will be considered incorrect. You need to get a minimum of 50% marks to pass the quiz. Press the "Start Quiz" button to participate in the quiz.

1 / 10

What is the n^th term of the following sequence:
1, 1/2, 1/4, … … …

1/(n + 1)

2ⁿ - 1

1/2^{n - 1}

1/(n – 1)

2 / 10

What is the 10^th term of the series 2 + 4 + 8 + 16 + ... ...

512

1048

2028

1024

3 / 10

What is the n^th term of the following sequence:

1/2, 2/3, 3/4, 4/5, … … …

(n + 1)/n

1/ (2n – 1)

1/ (2^{n – 1})

n/( n+ 1)

4 / 10

What is the 10^th term in the following series: 2,3,5,7, 11, ...?

5 / 10

What is the sum of the series 12 + 24 + 48+ ... ... ... + 768?

1324

1224

1024

1524

6 / 10

If the first term and common difference of an arithmetic sequence are respectively 30 and -1.5, then the 25^th term will be -

-8

-6

-4

7 / 10

Let, the first term of geometric series be a and common ratio r. The n^th term of the series is -

ar^{n -1}

1/arⁿ

ar^{n + 1}

arⁿ

8 / 10

If the difference between any two adjacent terms of a series is always equal is called -

Fibonacci Series

Harmonic Series

Geometric Series

Arithmetic Series

9 / 10

What is the n^th term of the following sequence:

1, 2, 3, 4, 5, … … …

n + 1

n - 1

10 / 10

What is the n^th term of the following sequence:
1/2, 1/4, 1/8, ... ...

1/2^{n - 1}

1/(n – 1)

1/2ⁿ

1/2^{n + 1}

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