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.

61. Complete series 2,8,26,62,122,212,_____?

مکمل سیریز 2,8,26,62,122,212,_____؟

Check answer and explanation

Answer: 332

Explanation To find the pattern in the series, let's analyze the differences between consecutive terms: 8 - 2 = 6 26 - 8 = 18 62 - 26 = 36 122 - 62 = 60 212 - 122 = 90 Notice that the differences between consecutive terms follow the pattern of adding consecutive even numbers: 6, 18, 36, 60, 90. So, to find the next term in the series, we add the next consecutive even number to 212: 212 + 120 = 332 Therefore, the next term in the series is 332.

62. Find the next number in the sequence: 36, 34, 30, 28, 24, _____?

Check answer and explanation

Answer: 22

Explanation This is an alternating number subtraction series. First, 2 is subtracted, then 4, then 2, and so on.

63. What number in the series 34, 24, 16, 10, 6 ?

Check answer and explanation

Answer: 4

Explanation 34, 24, 16, 10, 6 Find the differences between consecutive terms: - 34 → 24 (−10) - 24 → 16 (−8) - 16 → 10 (−6) - 10 → 6 (−4) You can see a decreasing pattern in differences: −10, −8, −6, −4 So the next difference should be: −2 6 − 2 = 4

64. What comes next in these sequences: 2, 4, 16, 128, _____?

Check answer and explanation

Answer: 2048

Explanation The sequence is obtained by multiplying the previous term by 2: 2 × 2 = 4 4 × 4 = 16 16 × 8 = 128 128 × 16 = 2048

65. Finding the missing number in the following number series: 3, 3, 5,5,7,7,.......?

درج ذیل نمبر سیریز میں گم شدہ نمبر تلاش کرنا: 3، 3، 5،5،7،7، ......؟

Check answer and explanation

Answer: 9,9

Explanation the missing number in the number series: 3, 3, 5, 5, 7, 7, 9, 9 3,3,5,5,7,7, 9,9, 11,11,13,13,……. ND11-4-2023

66. What comes next in the series?0, 4, 7, 11, 14, 17, ........?

Check answer and explanation

Answer: 21

Explanation The pattern in the series is: +4, +3, +4, +3, +3, ... Let's break it down: - 0 → 4 (+4) - 4 → 7 (+3) - 7 → 11 (+4) - 11 → 14 (+3) - 14 → 17 (+3) Now, +4, +3, +4, +3, +3, the pattern breaks slightly, but assuming it alternates (+4, +3), next should be: 17 + 4 = 21

67. Sequence: 2, 6, 14, 30, 62, .....?

Check answer and explanation

Answer: 126

Explanation Step 1: Find the pattern in differences 6 − 2 = 4 14 − 6 = 8 30 − 14 = 16 62 − 30 = 32 So the differences are: 4, 8, 16, 32 → doubling each time. Step 2: Find the next difference 32 × 2 = 64 Step 3: Add to the last term 62 + 64 = 126

68. Complete the series: 2, 4, 6, 8, ______?

Check answer and explanation

Answer: 10

Explanation The sequence increases by 2 each time. Following this pattern, the next number after 8 is 10 . 2 + 2 = 4 4 + 2 = 6 6 + 2 = 8 8 + 2 = 10

69. Complete the series: 20,5,30,6, ______

Check answer and explanation

Answer: 42,7

Explanation The larger numbers are multiples of the smaller numbers before and after. ... 4 20 5 30 6 42 7 56 ... 4 x 5 = 20 5 x 6 = 30 6 x 7 = 42

70. The next number in series: 27, 32, 30, 35, 33 _____?

Check answer and explanation

Answer: 38

Explanation The pattern in the series appears to be alternating between adding and subtracting. 27 + 5 = 32 32 - 2 = 30 30 + 5 = 35 35 - 2 = 33 33 + 5 = 38

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