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Class 5 Exam  >  Class 5 Tests  >  National Cyber Olympiad Class 5  >  Olympiad Test: Series Completion - Class 5 MCQ

Olympiad Test: Series Completion - Class 5 MCQ


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20 Questions MCQ Test National Cyber Olympiad Class 5 - Olympiad Test: Series Completion

Olympiad Test: Series Completion for Class 5 2025 is part of National Cyber Olympiad Class 5 preparation. The Olympiad Test: Series Completion questions and answers have been prepared according to the Class 5 exam syllabus.The Olympiad Test: Series Completion MCQs are made for Class 5 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Series Completion below.
Solutions of Olympiad Test: Series Completion questions in English are available as part of our National Cyber Olympiad Class 5 for Class 5 & Olympiad Test: Series Completion solutions in Hindi for National Cyber Olympiad Class 5 course. Download more important topics, notes, lectures and mock test series for Class 5 Exam by signing up for free. Attempt Olympiad Test: Series Completion | 20 questions in 40 minutes | Mock test for Class 5 preparation | Free important questions MCQ to study National Cyber Olympiad Class 5 for Class 5 Exam | Download free PDF with solutions
Olympiad Test: Series Completion - Question 1
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Find the missing number, if same rule is followed in all the three figures.

Detailed Solution for Olympiad Test: Series Completion - Question 1

The rule followed is:

(11 x 10)  - (8 x 4) = 110 - 32 = 78 and 78/2 = 39
(7 x 12) - (12 x 5) = 84 - 60 =  24 and 24/2 = 12
So, (10 x 9) - (14 x 4) = 90 - 56 = 34 and 34/2 = 17

Olympiad Test: Series Completion - Question 2
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Find the missing number, if same rule is followed in all the three figures.

Detailed Solution for Olympiad Test: Series Completion - Question 2

The rule followed is:
(5 x 3 x 2) = 30
(4 x 4 x 2) = 32
So, (8 x 3 x 5) = 120

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Olympiad Test: Series Completion - Question 3
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Select the incorrect number in the given number pattern.

Detailed Solution for Olympiad Test: Series Completion - Question 3

The pattern followed is :

Olympiad Test: Series Completion - Question 4
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Find the next number in the series
3, 8, 15, 24, 35, 48, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 4

The given series is

Olympiad Test: Series Completion - Question 5
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Find the next number in the series
6, 12, 24, 48, 96, 192, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 5

The given series is

Olympiad Test: Series Completion - Question 6
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Find the next number in the series
4, 3, 4, 9, 32, 155, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 6

The given series is

Olympiad Test: Series Completion - Question 7
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Find the missing number, if same rule is followed in all the three figures.
Detailed Solution for Olympiad Test: Series Completion - Question 7

The rule followed is:
(14 + 13) / 9 =  27 / 9 = 3;
(15 + 20) / 7 = 35 / 7 = 5;
So, (12 + 18) / 6 = 30 / 6 = 5

Olympiad Test: Series Completion - Question 8
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Find the next number in the series
5, 10, 40, 80, 320, 640, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 8

The given series is

Olympiad Test: Series Completion - Question 9
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Find the next number in the series

1, 5, 9, 17, 25, 37, 49, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 9

Let's analyze the pattern:

  • From 1 to 5: Increase by 4.
  • From 5 to 9: Increase by 4.
  • From 9 to 17: Increase by 8.
  • From 17 to 25: Increase by 8.
  • From 25 to 37: Increase by 12.
  • From 37 to 49: Increase by 12.

The increases are alternating between 4, 8, and 12.

If the pattern continues, the next increase should be 16 (following the previous pattern of alternating increases).

From 49, adding 16 gives us 65.

So, the next number in the sequence is 65.

Olympiad Test: Series Completion - Question 10
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Find the next number in the series
16, 22, 30, 40, 52, 66, 82, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 10

The given series is

Olympiad Test: Series Completion - Question 11
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Find the next number in the series
225, 205, 180, 150, 115, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 11

The given series is

Olympiad Test: Series Completion - Question 12
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Find the next number in the series
10, 14, 28, 32, 64, 68, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 12

The given series is

Olympiad Test: Series Completion - Question 13
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Find the next number in the series
3, 4, 10, 33, 136, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 13

The given series is

Olympiad Test: Series Completion - Question 14
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Find the next number in the series
1326, 2436, 3546, 4656, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 14

The given series is

Olympiad Test: Series Completion - Question 15
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Find the next number in the series
598, 505, 412, 319, 226, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 15

The given series is

The series decreases by 93 each time:
598 - 93 = 505
505 - 93 = 412
412 - 93 = 319
319 - 93 = 226
226 - 93 = 133
Therefore, the next number in the series is 133.

Olympiad Test: Series Completion - Question 16
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Find the next number in the series
702, 773, 844, 915, 986, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 16

The given series is

Olympiad Test: Series Completion - Question 17
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Find the next number in the series
15, 45, 42, 126, 123, 369, 366, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 17

The given series is

Olympiad Test: Series Completion - Question 18
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Find the next number in the series
27, 56, 114, 230, 462, 926, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 18

The given series is

Olympiad Test: Series Completion - Question 19
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Find the next number in the series
2, 21, 154, 1085, 7602, ? 
Detailed Solution for Olympiad Test: Series Completion - Question 19

The given series is

Olympiad Test: Series Completion - Question 20
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What will come at the place of question mark ?
1, 9, 25, 49, ?, 121.
Detailed Solution for Olympiad Test: Series Completion - Question 20

The rule followed is:
12 = 1.
32 = 9.
52 = 25.
72 = 49.
92 = 81.
112 = 121.
Thus, the missing number is  81.

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Olympiad Test: Series Completion MCQs with Answers

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