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Olympiad Test: Series Completion - Class 10 MCQ


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15 Questions MCQ Test Olympiad Preparation for Class 10 - Olympiad Test: Series Completion

Olympiad Test: Series Completion for Class 10 2024 is part of Olympiad Preparation for Class 10 preparation. The Olympiad Test: Series Completion questions and answers have been prepared according to the Class 10 exam syllabus.The Olympiad Test: Series Completion MCQs are made for Class 10 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Series Completion below.
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Olympiad Test: Series Completion - Question 1

There is a series of numbers which follow some definite order. Find the missing term and complete the series.

3, 4, 5, 5, 12, 13, 7, 24, 25, 9, ?, 41

Detailed Solution for Olympiad Test: Series Completion - Question 1

The given numbers are in the set of three numbers which are Pythagorean triplet. 
32 + 42 = 52, 52 + 122 = 132,
72 + 242 = 252,  9+ 402 = 412.

Olympiad Test: Series Completion - Question 2

There is a series of numbers which follow some definite order. Find the missing term and complete the series.

10, 17, 26, 37, 50, …. ? 

Detailed Solution for Olympiad Test: Series Completion - Question 2

The pattern of the given series is
32 + 1 = 10;  42 + 1 = 17;  52 + 1 = 26;
62 + 1 = 37;  72 + 1 = 50;
∴ 82 + 1 = 65.

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Olympiad Test: Series Completion - Question 3

There is a series of numbers which follow some definite order. Find the missing term and complete the series.

2, 4, 4, 8, 16, 16, 256, ?

Detailed Solution for Olympiad Test: Series Completion - Question 3


∴ ? = 32

Olympiad Test: Series Completion - Question 4

There is a series of numbers which follow some definite order. Find the missing term and complete the series.

1, 5, 7, 14, 18, 20, 40, 44, 46, ? 

Detailed Solution for Olympiad Test: Series Completion - Question 4

1 + 4 = 5; 5 + 2 = 7; 7 × 2 = 14
14 + 4  = 18; 18 + 2 = 20; 20 × 2 = 40
40 + 4  = 44; 44 + 2 = 46; 46 × 2 = 92 
∴ ? = 92

Olympiad Test: Series Completion - Question 5

There is a series of numbers which follow some definite order. Find the missing term and complete the series.

5, 12, 7, 15, 8, 18, 10, ? 

Detailed Solution for Olympiad Test: Series Completion - Question 5

Second, fourth, sixth terms are multiplies of 3 as, 12, 15, 18 and so on the eight-term will be 21.

Olympiad Test: Series Completion - Question 6

There is a series of numbers which follow some definite order. Find the missing term and complete the series.

325, 259, 204, 160, 127, 105, ? 

Detailed Solution for Olympiad Test: Series Completion - Question 6

325 – 66 = 259; 259 – 55 = 204; 
204 – 44 = 160; 160 – 33 = 127;
127 – 22 = 105; 105 – 11 = 94;
∴ ? = 94

Olympiad Test: Series Completion - Question 7

There is a series of numbers which follow some definite order. Find the missing term and complete the series.

0, 2, 3, 5, 8, 10, 15, 17, 24, 26, ?

Detailed Solution for Olympiad Test: Series Completion - Question 7


∴ ? = 35

Olympiad Test: Series Completion - Question 8

There is a series of numbers which follow some definite order. Find the missing term and complete the series.

120, 99, 80, 63, 48, ? 

Detailed Solution for Olympiad Test: Series Completion - Question 8

Here
120 – 21 = 99;  99 – 19 = 80; 80 – 17 = 63; 
63 – 15 = 48; 48 – 13 = 35;
∴ ? = 35

Olympiad Test: Series Completion - Question 9

There is a series of numbers which follow some definite order. Find the missing term and complete the series.

1, 1, 4, 8, 9, 27, 16, ?

Detailed Solution for Olympiad Test: Series Completion - Question 9


∴ ? = 64

Olympiad Test: Series Completion - Question 10

There is a series of numbers which follow some definite order. Find the missing term and complete the series.

10, 14, 26, 42, 70, ? 

Detailed Solution for Olympiad Test: Series Completion - Question 10

10 + 14 + 2 = 26; 14 + 26 + 2 = 42; 
26 + 42 + 2 = 70; 42 + 70 + 2 = 114;
∴ ? = 114

Olympiad Test: Series Completion - Question 11

In each of the following questions, one term in the number series is wrong. Find out the wrong term.

196, 169, 144, 121, 101.

Detailed Solution for Olympiad Test: Series Completion - Question 11

196 = 142; 169 = 132; 144 = 122;
121 = 112; 102 = 100; 
∴ 101 is wrong term.

Olympiad Test: Series Completion - Question 12

In each of the following questions, one term in the number series is wrong. Find out the wrong term.

2, 6, 24, 96, 285, 568, 567 

Detailed Solution for Olympiad Test: Series Completion - Question 12

2 × 6 – 6 = 6; 6 × 5 – 5 = 25;
25 × 4 – 4 = 96; 96 × 3 – 3 = 285;
285 × 2 – 2 = 568; 568 × 1 – 1 = 567;
∴ 24 is odd.

Olympiad Test: Series Completion - Question 13

In each of the following questions, one term in the number series is wrong. Find out the wrong term.

93, 309, 434, 498, 521, 533

Detailed Solution for Olympiad Test: Series Completion - Question 13

93 + 63 = 309;  309 + 53 = 434;
434 + 43 = 498;  498 + 32 = 525;
525 + 23 = 533;
∴ 521 is wrong term.

Olympiad Test: Series Completion - Question 14

In each of the following questions, one term in the number series is wrong. Find out the wrong term.

3, 2, 8, 9, 13, 22, 18, 32, 23, 42

Detailed Solution for Olympiad Test: Series Completion - Question 14


2 + 10 = 12
∴ 9 is the wrong term. 

Olympiad Test: Series Completion - Question 15

In each of the following questions, one term in the number series is wrong. Find out the wrong term.

8, 13, 21, 32, 47, 63, 83

Detailed Solution for Olympiad Test: Series Completion - Question 15

8 + 5 = 13; 13 + 8 = 21;
21 + 11 = 32; 32 + 14 = 46;
46 + 17 = 63; 63 + 20 = 83;
∴ 47 is odd.

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