Series Completion MCQs - Maths Practice | PakExamPoint

Practise Series Completion MCQs in Maths. Attempt multiple-choice questions, check answers and revise related subtopics.

Series Completion MCQs and revision practice

Study Series Completion through multiple-choice questions in Maths. This subtopic contains 539 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.

Use these Series Completion MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.

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Series Completion: questions and answer review

Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.

391. Complete the series: 0, 5, 15, 20, 30, 35,

Check answer and explanation

Answer: 45

Explanation Let's break it down by pattern: - 0 → 5 (+5) - 5 → 15 (+10) - 15 → 20 (+5) - 20 → 30 (+10) - 30 → 35 (+5) Pattern: Alternating +5 and +10 Next: 35 + 10 = 45

392. Complete the series: 7, 13, 21, ______, 43.

Check answer and explanation

Answer: 31

Explanation The series is formed by adding 6, 8, 10, ... to the previous term, so the next difference should be 12, making the next term: 7 + 6 = 13 13 + 8 = 21 21 + 10 = 31 31 + 12 = 43 Therefore, the completed series is: 7, 13, 21, 31, 43 .

393. Find the missing letter: A, D, H, M, S ____?

Check answer and explanation

Answer: Z

Explanation By Decoding the given Sequence in the way A → 1 ; B → 2 ; . . . . Z → 26 A , D , H , M , S → 1 , 4 , 8 , 13 , 19 The difference between two successive numbers is increasing by '1' starting from with '3' 1 + 3 = 4 4 + 4 = 8 8 + 5 = 13 13 + 6 = 19 19 + 7 = 26 Hence according to decoded language the next number is '26' i.e Z

394. Complete the series: 10, 40, 160, 640, ______?

Check answer and explanation

Answer: 2560

Explanation 10 × 4 = 40 40 × 4 = 160 160 × 4 = 640 640 × 4 = 2560

395. The next term in the series 3C, 5E, 7G, 9I, 11K,

Check answer and explanation

Answer: 13M

Explanation The next term in the series 3C, 5E, 7G, 9I, 11K, is 13M. Numbers: 3, 5, 7, 9, 11, ... (increasing by 2 each time) - Letters: C, E, G, I, K, ... (each letter skips one in the alphabet: C(3), E(5), G(7), I(9), K(11), M(13))

396. Which number should come next in 32, 29, 24, 22, 17, ____?

Check answer and explanation

Answer: 14

Explanation Step 1: Identify the pattern The differences between consecutive terms are: 32 - 29 = 3 29 - 24 = 5 24 - 22 = 2 22 - 17 = 5 Step 2: Determine the pattern The pattern seems to alternate between subtracting 3 or 2 and then 5: -3, -5, -2, -5 Step 3: Apply the pattern If the pattern continues, the next difference should be -3 (following the sequence -3, -5, -2, -5, -3): 17 - 3 = 14

397. Which word does not belong with the others? rug, chair, table, Couch

کون سا لفظ دوسروں سے تعلق نہیں رکھتا؟ قالین، کرسی، میز، صوفہ

Check answer and explanation

Answer: rug

Explanation Couch, Table and Chair are furniture . Whereas a rug is a fabric used as a floor coverin g. Hence, the correct answer is "Rug". ND18-9-2023

398. 13, 24, 46, 90 ......?

Check answer and explanation

Answer: 178

Explanation 13 × 2 = 26 - 2 = 24 24 × 2 = 48 - 2 = 46 46 × 2 = 92 - 2 = 90 90 × 2 = 180 - 2 = 178

399. What is the next number in the following series; 1, 3, 8, 19, _____?

Check answer and explanation

Answer: 42

Explanation Let's recheck the pattern: 1 + 2 = 3 3 + 5 = 8 8 + 11 = 19 19 + 23 = 42 The differences between terms are increasing by prime numbers (2, 5, 11, 23...). If the pattern continues: 1, 3, 8, 19, 42

400. Which number comes in the missing place? 120, 119, 117, 114, 110, ______?

Check answer and explanation

Answer: 105

Explanation Differences are −1, −2, −3, −4 (they increase by 1). Next difference = −5 → 110 − 5 = 105 .

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