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# Brain Trigger #20 – Sample Number puzzle question

Questions on Number puzzle are very common in competitive exams and here in this section we will discuss few of them with answer. Do these type of Number puzzle questions. These will help you for your competitive exams. To solve these questions you need to apply your math skills. You can also apply your learning skills of Shortcut Tricks.

Here in this website we try to bring together all types of shortcut methods on Number puzzle for every topic. Now apply shortcut tricks of Number puzzle in these problems to solve it. These questions can be solvable without using any shortcut methods also.

We will discuss here a question on Number puzzle. First of all you need to read the question very carefully and try to solve it by yourself. We provide the answer below. If you do it yourself then check your answer with our solution. If you don’t know how to do it then check the solution below.

Every page of this section is contain a question on Number puzzle with its detail explanation. Click on the Next/Previous link to navigate through other questions.

Let’s begin the Question answer session. Today’s question is:

Which number replaces the question mark ? To know the answer of this question please scroll down. You can take as much time as you need to solve the problem. But always try to solve it as quickly as you can.

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Now here we will discuss the answer of above question. If you already try the problem and got an solution then check your answer with our solution. If you got an correct answer then very Well Done, but if you are unable to answer the question correctly the don’t worry. Now here is the solution of the problem with explanation.

You can solv in this way…..

Each triangle center number is equals to additon of lower two numbers and with minus top number
8+5 – 3 = 10
9+4 – 6 = 7
7+3 – 9 = 1