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Class 8 Exam  >  Class 8 Tests  >  Olympiad Test: Series Completion - 2 - Class 8 MCQ

Olympiad Test: Series Completion - 2 - Class 8 MCQ


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20 Questions MCQ Test - Olympiad Test: Series Completion - 2

Olympiad Test: Series Completion - 2 for Class 8 2024 is part of Class 8 preparation. The Olympiad Test: Series Completion - 2 questions and answers have been prepared according to the Class 8 exam syllabus.The Olympiad Test: Series Completion - 2 MCQs are made for Class 8 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Series Completion - 2 below.
Solutions of Olympiad Test: Series Completion - 2 questions in English are available as part of our course for Class 8 & Olympiad Test: Series Completion - 2 solutions in Hindi for Class 8 course. Download more important topics, notes, lectures and mock test series for Class 8 Exam by signing up for free. Attempt Olympiad Test: Series Completion - 2 | 20 questions in 40 minutes | Mock test for Class 8 preparation | Free important questions MCQ to study for Class 8 Exam | Download free PDF with solutions
Olympiad Test: Series Completion - 2 - Question 1
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Find out the wrong term from the alternatives to complete the series.

Q. 325, 259, 202, 160, 127, 105, 94

Detailed Solution for Olympiad Test: Series Completion - 2 - Question 1

The sequence is -66, -55, -44, -33, -22, -11.
So, 202 is wrong. The correct term is 204.

Olympiad Test: Series Completion - 2 - Question 2
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Find out the wrong term from the alternatives to complete the series.

Q. 105, 85, 60, 30, 0, -45, -90

Detailed Solution for Olympiad Test: Series Completion - 2 - Question 2

The sequence is -20, -25, -30, -35, -40, -45. So, 0 is wrong.

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Olympiad Test: Series Completion - 2 - Question 3
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Find out the wrong term from the alternatives to complete the series.

196, 169, 144, 121, 100, 80, 64

Detailed Solution for Olympiad Test: Series Completion - 2 - Question 3

The sequence is (14)2, (13)2, (12)2, (11)2, (10)2, (9)2, (8)2.
So, 80 is wrong. Since 92 = 81

Olympiad Test: Series Completion - 2 - Question 4
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Find out the wrong term from the alternatives to complete the series.

Q. 8, 14, 26, 48, 98, 194, 386
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 4

Each term, except 48 in the series is less than twice the preceding term by 2. The correct term is 50.

Olympiad Test: Series Completion - 2 - Question 5
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Find out the wrong term from the alternatives to complete the series.

Q. 8, 13, 21, 32, 47, 63, 83
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 5

The sequence is +5, +8, +11, +14, +17, +20. However, 47 breaks this sequence. The correct term is 46.

Olympiad Test: Series Completion - 2 - Question 6
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Choose the alternative that will complete the series.

Q. D-4, F-6, H-8, J-10, ?, ?
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 6

The letters in the series are alternate and the numbers indicate their position in the alphabets from the beginning.

Olympiad Test: Series Completion - 2 - Question 7
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Choose the alternative that will complete the series.

Q. Y, V, S, P, M, ?
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 7

There is a gap of two letters between any two consecutive terms of the series.

Olympiad Test: Series Completion - 2 - Question 8
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Choose the alternative that will complete the series.

Q. OTE PUF QVG RWH ?
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 8

The first letters of the terms are in alphabetical order , and so are the second and third letters.

Olympiad Test: Series Completion - 2 - Question 9
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Choose the alternative that will complete the series.

Q. CE GI KM OQ ?
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 9

The letters of each term are alternate and also the last letter of each term and the first letter of the next term are alternate.

Olympiad Test: Series Completion - 2 - Question 10
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Choose the alternative that will complete the series.

Q. ab – bbc – c – ab – ab – b
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 10

The series is aaab/aabb/abbb/aaab/aabb.

Olympiad Test: Series Completion - 2 - Question 11
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Choose the alternative that will complete the series.

Q. b – ac – cc – cb – ab – ac
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 11

The series is baac/accb/cbba/baac.

Olympiad Test: Series Completion - 2 - Question 12
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Choose the alternative that will complete the series.

Q. ccb – c – bbc – b – cc - - ccbb
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 12

The series is ccbb/ccbb/ccbb/ccbb/ccbb.
Thus, the pattern ccbb is repeated.

Olympiad Test: Series Completion - 2 - Question 13
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Choose the alternative that will complete the series.

Q. cccbb – aa – cc – bbbaa – c
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 13

The series is ccc bbb aaa/ccc bbb aaa/c.
Thus, the pattern cccbbbaaa is repeated.

Olympiad Test: Series Completion - 2 - Question 14
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Choose the alternative that will complete the series.

Q. 3, 7, 15, 39, 63, 127, 255, 511
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 14

Each number in the series is multiplied by 2 and the result is increased by 1 to obtain the next number.
∴ 39 is wrong, the correct term being 31.

Olympiad Test: Series Completion - 2 - Question 15
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Choose the alternative that will complete the series.

Q. 6, 12, 48, 100, 384, 768, 3072
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 15

Each term at even place in the series, except 100, is obtained by multiplying the preceding term by 2.
∴ 100 is wrong, the correct term is 96.

Olympiad Test: Series Completion - 2 - Question 16
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Choose the alternative that will complete the series.

Q. 1, 5, 11, 19, 29, …?….
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 16

The sequence is +4, +6, +8, +10, ……..
∴ Missing number = 29 + 12 = 41

Olympiad Test: Series Completion - 2 - Question 17
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Choose the alternative that will complete the series.
Q. 4, 9, 5, 12, 7, 15, 8, ..?…, 10
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 17

The given sequence is a combination of two series: 4, 5, 7, 8, 10 and 9, 12, 15, …... Clearly, the missing term is 18.

Olympiad Test: Series Completion - 2 - Question 18
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Choose the alternative that will complete the series.

Q. 2, 5, 9, 19, 37, ..?….
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 18

The second number is one more than twice the first; third number is one less than twice the second, fourth number one more than twice the third; fifth number is one less than twice the fourth.
Thus, the sixth number is one more than twice the fifth. So, the missing number is 75.

Olympiad Test: Series Completion - 2 - Question 19
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Choose the alternative that will complete the series.

Q. 2, 9, 28, 65, 126, ..?….
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 19

The sequence is 13 + 1, 23 + 1, 33 + 1, 43 + 1, 53 + 1, …….
∴ Missing number = (63 + 1) = 216 + 1 = 217

Olympiad Test: Series Completion - 2 - Question 20
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Choose the alternative that will complete the series.

Q.1/81, 1/54, 1/36, 1/24, ..?…
Detailed Solution for Olympiad Test: Series Completion - 2 - Question 20

Each term of the series is multiplied by 3/2 to obtain the next term.
∴ Missing term = 1/24 × 3/2 = 1/16

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