Struggling to solve number pattern question Please help

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  • Thread starter yiannicart
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In summary, the question involves finding the missing number in a series of three brackets, where the numbers in each bracket follow the same rule. The correct answer is 33, which is half the difference between the first and second numbers in the third bracket. This pattern can be seen in all three brackets.
  • #1
yiannicart
2
0
Hi,
I am in my final year of Secondary Teaching, specialising in history and language, so mathematics isn't always my strong point.:p
I tutor middle school students for extra money, and am helping one through a number reasoning test.

The question is as follows:

The numbers in each of the three brackets follow the same rule. Find the missing number.
[19, 25, 3] [4, 26, 11] [?, 51, 9]

A. 20
B. 31
C. 33 (the correct answer)
D. 34I cannot seem to find how 33 is the correct answer (I only know via the answer book), let alone the rule/pattern the numbers are following. If anyone can explain this to me and shed some light on this, it would be extremely helpful for me and for my student.
Cheers,
Yianni :D
 
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  • #2
Hi yiannicart and welcome to MHB! :D

It appears that the third number is half the difference between the first and second numbers:

(25 - 19)/2 = 3, (26 - 4)/2 = 11, (51 - 33)/2 = 9.
 
  • #3
greg1313 said:
Hi yiannicart and welcome to MHB! :D

It appears that the third number is half the difference between the first and second numbers:

(25 - 19)/2 = 3, (26 - 4)/2 = 11, (51 - 33)/2 = 9.
Hi greg1313,
Thank you so much! This helps so much!
Kindest regards from Australia!
Yianni
 

FAQ: Struggling to solve number pattern question Please help

What is the best approach to solving a number pattern question?

The best approach to solving a number pattern question is to carefully analyze the given sequence of numbers and look for any patterns or relationships between the numbers. You can also try to plug in different numbers to see if they fit the given pattern.

How can I improve my problem-solving skills for number pattern questions?

The key to improving your problem-solving skills for number pattern questions is to practice regularly. Start with simple number patterns and gradually move on to more complex ones. Also, try to understand the underlying concepts and logic behind each pattern.

What should I do if I am stuck on a number pattern question?

If you are stuck on a number pattern question, take a break and come back to it with a fresh mind. You can also try working backwards from the end of the sequence or breaking the pattern into smaller parts to make it easier to solve.

Can I use a formula to solve a number pattern question?

In some cases, there may be a formula or equation that can be used to solve a number pattern question. However, it is important to first try to understand the pattern and logic behind the sequence before using a formula.

Are there any resources or tools that can help me solve number pattern questions?

Yes, there are many online resources and tools available that can help you solve number pattern questions. These include websites with practice questions, interactive tools, and step-by-step guides for solving different types of number patterns.

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