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Practice Questions: Series Completion and Inserting | Science Olympiad Class 6 PDF Download

Q1: Direction: In the following question, a series is given. One figure of this series is missing. Fill in the blanks to complete this series.
Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(a)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(b)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(c)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(d)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
Ans:
(b)
Explanation: All the small squares are removed from the right most column and lower most row alternately.

Q2: Direction: In the following question, a series is given. One figure of this series is missing. Fill in the blanks to complete this series.
Practice Questions: Series Completion and Inserting | Science Olympiad Class 6

(a)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(b)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(c)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(d)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
Ans: (a)
Explanation: A square is added inside with Practice Questions: Series Completion and Inserting | Science Olympiad Class 6alternate shades.

Q3: Direction: In the following question, a series is given. One figure of this series is missing. Fill in the blanks to complete this series.
Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(a)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(b)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(c)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(d)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
Ans: (c)
Explanation: 
In each next step one dot and one bar is added. The dots are stuck to the last bar is commencing with bottom and top alternately.

Q4: Direction: In the following question, a series is given. One figure of this series is missing. Fill in the blanks to complete this series.
Practice Questions: Series Completion and Inserting | Science Olympiad Class 6

(a) Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(b)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(c)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(d)Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
Ans: (b)
Explanation: 
The number of sides in the figure increases by one in each step.

Q5: Direction: Find the number which will replace the '?' mark.
Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
(a) 22
(b) 30
(c) 32
(d) 31
Ans: 
(c)
Explanation: 
Clearly, we have
Practice Questions: Series Completion and Inserting | Science Olympiad Class 6
So, missing number=Practice Questions: Series Completion and Inserting | Science Olympiad Class 6

Q6: Direction: In the following question, a series is given. A term in series is missing. Find the missing term from amongst the options.
18, 17, 19,?, 20, 15, 21, 14
(a) 16
(b) 17
(c) 18
(d) 19
Ans:
(a) 16
Explanation: Observing the sequence, it appears that the numbers are alternating between increasing and decreasing. Specifically, the pattern seems to be:
Subtract 1
Add 2
Subtract 3
Add 4
Following this pattern:
18 - 1 = 17
17 + 2 = 19
19 - 3 = 16
(16) + 4 = 20
20 - 1 = 19
19 + 2 = 21
21 - 3 = 18
(18) + 4 = 22
So, the missing term in the sequence should be 16. Therefore, the correct answer is A) 16.

Q7: Direction: In the following question, a series is given. A term in series is missing. Find the missing term from amongst the options.
1, 5, 13, 25, 41, ?
(a) 52
(b) 58
(c) 61
(d) 62
Ans: 
(b) 58
Explanation: 
Observing the sequence, it appears that the numbers are increasing in a specific pattern. Let's analyze the differences between consecutive terms:

  • The difference between 5 and 1 is 4.
  • The difference between 13 and 5 is 8.
  • The difference between 25 and 13 is 12.
  • The difference between 41 and 25 is 16.

It seems like the differences are increasing by 4 each time. Therefore, following this pattern:
The difference between the next term and 41 should be 16 + 4 = 20.
So, to find the missing term:
41 (last term) + 20 = 61.
Therefore, the correct answer is C) 61.

Q8: Direction: In the following question, a series is given. A term in series is missing. Find the missing term from amongst the options.
10, 18, 28, 40, 54, 70,?
(a) 85
(b) 86
(c) 87
(d) 88
Ans: 
(d)  88
Explanation: To find the pattern in the given sequence, let's analyze the differences between consecutive terms:

  • The difference between 18 and 10 is 8.
  • The difference between 28 and 18 is 10.
  • The difference between 40 and 28 is 12.
  • The difference between 54 and 40 is 14.
  • The difference between 70 and 54 is 16.

It appears that the differences are increasing by 2 each time. Following this pattern:
The difference between the next term and 70 should be 16 + 2 = 18.
So, to find the missing term:
70 (last term) + 18 = 88.
Therefore, the correct answer is D) 88.

Q9: Direction: In the following question, a series is given. A term in series is missing. Find the missing term from amongst the options.
6, 11, 21, 36, 56,?
(a) 42
(b) 51
(c) 81
(d) 91
Ans:
(c) 81
Explanation: To identify the pattern in the given sequence, let's examine the differences between consecutive terms:

  • The difference between 11 and 6 is 5.
  • The difference between 21 and 11 is 10.
  • The difference between 36 and 21 is 15.
  • The difference between 56 and 36 is 20.

It appears that the differences are increasing by 5 each time. Following this pattern:
The difference between the next term and 56 should be 20 + 5 = 25.
So, to find the missing term:
56 (last term) + 25 = 81.
Therefore, the correct answer is C) 81.

Q10: Direction: In the following question, a series is given. A term in series is missing. Find the missing term from amongst the options.
2, 5, 9, ?, 20, 27
(a) 14
(b) 16
(c) 18
(d) 24
Ans:
(a) 14
Explanation: To identify the pattern in the given sequence, let's examine the differences between consecutive terms:

  • The difference between 5 and 2 is 3.
  • The difference between 9 and 5 is 4.

It appears that the differences are increasing by 1 each time. Following this pattern:
The difference between the next term and 9 should be 4 + 1 = 5.
So, to find the missing term:
9 (last term) + 5 = 14.
Therefore, the correct answer is A) 14.

The document Practice Questions: Series Completion and Inserting | Science Olympiad Class 6 is a part of the Class 6 Course Science Olympiad Class 6.
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FAQs on Practice Questions: Series Completion and Inserting - Science Olympiad Class 6

1. What are series completion questions?
Ans. Series completion questions are a type of test question where a sequence of numbers, letters, or figures is given, and the task is to identify the missing element or the pattern followed in the series in order to complete it.
2. How can one approach series completion questions?
Ans. To approach series completion questions, one should carefully observe the given sequence and look for any patterns or relationships between the elements. By identifying the pattern, one can then determine the missing element and complete the series accordingly.
3. What are the common types of patterns used in series completion questions?
Ans. Common types of patterns used in series completion questions include arithmetic progression (where the difference between consecutive terms is constant), geometric progression (where the ratio between consecutive terms is constant), and patterns based on position or alternate elements.
4. How can one improve their ability to solve series completion questions?
Ans. To improve the ability to solve series completion questions, one can practice regularly by solving various types of series completion exercises. It is also helpful to analyze the solved examples and understand the underlying patterns and logic behind them.
5. Are there any tips to quickly solve series completion questions?
Ans. Yes, there are some tips to quickly solve series completion questions. These include scanning for familiar patterns, observing the differences between consecutive terms, and looking for any symmetry or repetition in the given sequence. Additionally, it is important to manage time effectively and not spend too much time on a single question.
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