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Rule Detection : Non Verbal Reasoning

Last Updated : 15 Nov, 2023
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Rule Detection is an interesting idea in the world of logical thinking. It’s about finding hidden rules or patterns in information. This skill helps us solve problems, make decisions, and understand how things work, especially in complex situations.

In rule detection, you have to look at information carefully and figure out the hidden principles that control it. It’s like finding secret patterns, logical connections, and cause-and-effect relationships. Even though it might sound a bit tricky, this skill is actually super useful in real life. You can use it to understand complex instructions, and improve processes in things like science and technology, and even in business.

Rule Detection tasks can come in different forms, like puzzles or real-life situations. They need you to pay close attention, think critically, and notice small details and by doing these tasks you can become better at analyzing things, spotting patterns, and making logical decisions.

Rule Detection – Solved Examples

Example 1:

Scenario: You notice that in a sequence, every third number is a multiple of 5.

What is the next multiple of 5 in the sequence?

a) 10

b) 12

c) 15

d) 18

Answer: c) 15

Explanation: The rule is that every third number is a multiple of 5. So, starting from 5, the sequence would be 5, 10, 15, 20, and so on. The next multiple of 5 is 15.

Example 2:

Scenario: In a pattern, you observe the sequence: 2, 4, 8, 16, ___.

What is the next number?

a) 24

b) 32

c) 48

d) 64

Answer: d) 32

Explanation: The rule is that each number is doubled to get the next number. So, 16 doubled is 32

Example 3:

Scenario: In a sequence of letters, you notice the pattern: A, C, E, G, ___.

What letter comes next?

a) H

b) I

c) F

d) J

Answer: c) I

Explanation: Assuming the sequence starts with the first letter of the alphabet (A), the next letter would be I. This pattern skips every other letter in the alphabet.

Example 4:

Scenario: In a sequence of numbers, you notice that every even number is followed by the next odd number.

What comes after 10?

a) 9

b) 11

c) 12

d) 8

Answer: b) 11

Explanation: The rule is that every even number is followed by the next odd number. So, after 10 (an even number), the next number is 11 (the next odd number).

Example 5:

Scenario: In a sequence, you observe that each term is obtained by adding 3 to the previous term.

If the sequence starts with 5, what is the fifth term?

a) 11

b) 12

c) 13

d) 17

Answer: c) 17

Explanation: ince each term is obtained by adding 3 to the previous term, we can use the formula for the nth term of an arithmetic sequence to find the fifth term. The formula for the nth term of an arithmetic sequence is: a_n = a_1 + d(n – 1) and the solution is 17

Example 6:

Scenario: You notice a pattern where every other number in a sequence is a prime number.

What is the next prime number in the sequence: 2, 6, 3, 9, ___?

a) 12

b) 5

c) 15

d) 11

Answer: b) 11

Explanation: The rule is that every other number is a prime number. In the given sequence, 2 and 3 are prime numbers, so the next prime number is 11.

Example 7:

Scenario: In a sequence, you notice the pattern: 1, 4, 9, 16, ___.

What is the next number?

a) 20

b) 24

c) 25

d) 28

Answer: c) 25

Explanation: The rule is that each number is a perfect square of consecutive positive integers. 1 is 1^2, 4 is 2^2, 9 is 3^2, 16 is 4^2. The next perfect square is 5^2, which is 25.

Example 8:

Scenario: In a sequence of letters, you observe the pattern: B, E, H, K, ___.

What letter comes next?

a) M

b) L

c) N

d) O

Answer: c) N

Explanation: The rule is that each letter is followed by the next letter in the alphabet with an increment of 3. So, B is followed by E, E is followed by H, H is followed by K, and the next letter is K + 3, which is N.

Example 9:

Scenario: You notice a pattern where the numbers are increasing by 5, then decreasing by 3.

If the sequence starts with 10, what is the next number?

a) 12

b) 15

c) 17

d) 18

Answer: c) 17

Explanation: The rule is that the numbers increase by 5, then decrease by 3. Starting with 10, the sequence would be 10, 15 (increased by 5), 12 (decreased by 3), and the next number is 12 + 5 = 17 (increased by 5).

Example 10:

Scenario: In a sequence of shapes, you notice the pattern: Circle, Square, Triangle, Circle, Square, ___.

What shape comes next?

a) Star

b) Oval

c) Rectangle

d) Triangle

Answer: d) Triangle

Explanation: The rule is that the shapes repeat in a cycle: Circle, Square, Triangle. After Triangle, the next shape in the cycle is Circle.

Conclusion

Rule detection is a very important skill in day-to-day life, it helps you in recognizing patterns and learning the trends. It is very useful to predict the upcoming result. It is widely used in the field of computer science, mathematics, linguistics and many more.

This article shares few questions on rule detection and provide you rule detection questions with answers so that you can practice this skill and apply it to your life.



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