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Number Series MCQs with Answers for FPSC, PPSC, NTS and all One Paper Exams — page 3

Number series and pattern MCQs appear in the analytical / general ability portion even when the maths weight is small. Find the rule before you extend the sequence.

Practice Number Series in the app All Mathematics MCQs by topic

Number Series MCQs (21–30)

10 questions on this page, with a one-liner under each answer. Hide answers to attempt; questions you already answered stay revealed. This is a sample of 30 Number Series MCQs — the full Mathematics bank is in the study app.

Answers and one-liners are hidden. Tap an option to check that question, or show all. Questions from previously asked papers carry a Past Paper MCQ badge.

21.
Past Paper MCQ
$12 : 68 :: 30 : ?$
Correct Answer: B
One-liner
The pattern is $n : (n \times 5 + 8)$, so $30 \times 5 + 8 = $ $170$.
22.
Past Paper MCQ
What is the next number in the sequence $1, 1, 2, 6, 24$?
Correct Answer: B
One-liner
The next number in the sequence is $120$, as each term is obtained by multiplying the previous term by the next integer (factorial pattern).
23.
Past Paper MCQ
Complete the number series: $6, 9, 18, 45, 126, ?$
Correct Answer: B
One-liner
The next term in the series is $405$.
24.
Past Paper MCQ
Find the value of $x$ in the series: $x, 9, 25, 48, 81, 121$
Correct Answer: A
One-liner
The value of $x$ in the series is $3$.
25.
Past Paper MCQ
Complete the series: $2, 4, 12, 48, 240, \_\_\_\_\_?$
Correct Answer: C
One-liner
The next term in the series is $1440$, as each term is multiplied by an incrementing integer: $2 \times 2 = 4$, $4 \times 3 = 12$, $12 \times 4 = 48$, $48 \times 5 = 240$, $240 \times 6 = 1440$.
26.
Past Paper MCQ
What is the 101st term of the sequence: $1, 4, 7, 10, \dots$ ?
Correct Answer: B
One-liner
The 101st term of the arithmetic sequence $1, 4, 7, 10, \dots$ is $301$.
27.
Past Paper MCQ
Considering the following pattern: $2^2 + 1 = 5$, $3^2 + 1 = 10$, $4^2 + 1 = 17$, $5^2 + 1 = 26$, … The 8th line in the pattern is:
Correct Answer: A
One-liner
The 8th line follows the pattern $n^2 + 1$ starting from $n = 2$, so the 8th term uses $n = 9$, giving $9^2 + 1 = 82$.
28.
Past Paper MCQ
What is the sum of the first 1000 positive integers?
Correct Answer: A
One-liner
The sum of the first 1000 positive integers is $500{,}500$.
29.
Past Paper MCQ
Which of the following numbers in the sequence is wrong? $$140, 340, 540, 730, 940, 1140$$
Correct Answer: C
One-liner
The wrong number in the sequence is $730$, because the pattern adds $200$ each time ($140, 340, 540, 740, 940, 1140$).
30.
Past Paper MCQ
The next number in the series is $\frac{1}{5}, \frac{1}{9}, \frac{1}{13}, \frac{1}{17}, \_\_\_?$
Correct Answer: B
One-liner
The next term in the series is $\frac{1}{21}$ because the denominators form an arithmetic progression with a common difference of $4$.

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Number Series MCQs — common questions

Are these Number Series MCQs with answers?

Yes. Each question on this page can be attempted here. The correct option and a one-liner are in the HTML. This is a sample set of 30 Number Series MCQs across 3 pages. The full Mathematics bank is in the study app.

Are Number Series MCQs asked in FPSC, PPSC, NTS and all One Paper Exams?

Yes. Number Series is part of the Mathematics portion of most Pakistani one-paper job tests. Weighting still depends on the advertisement — use the official syllabus for your post.

Are these past paper Number Series MCQs?

Where a question came from a previously asked paper, it carries a Past Paper MCQ badge. The rest are general practice from the same topic. The study app lets you drill past papers on their own.

How should I practise Number Series MCQs?

Hide answers and attempt the samples on this page first. Then open Mathematics in the study app and drill this area until your correction rate rises. Mix a full paper only after the topic is stable.

Number Series MCQs with Answers for FPSC, PPSC, NTS and all One Paper Exams — page 3

Number Series MCQs (21–30)

Number Series MCQs — common questions

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