Home > Math Shortcuts > Brain Trigger #15 – Sample Number puzzle question

# Brain Trigger #15 – 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. Questions like Number puzzle will help you to prepare for your competitive exams. Try to Solve these questions with your math skills. These Number puzzle questions can also be solved using math shortcut tricks.

We try every types of Number puzzle questions and their shortcut methods to bring together here in this website. what you need to do is to apply these tricks in Number puzzle problem to solve. These questions can be solvable without using any shortcut methods also.

Now here we will give you a question on Number puzzle to solve. First of all you need to read the question very carefully and try to solve it by yourself. Answer will be provided below. If you solve the problem then check your answer with us. If you don’t know how to do it then check the solution below.

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

What number should be the replace of question mark ?

7+5+6 = 354217
3+5+6 = 151872
3+5+5 = 151552
3+6+5 = 181582
7+9+4 = ?

Answer of this question is provided below. Scroll down to see the answer. You can take as much time as you want to answer the problem. But always try to do it as faster as you can.

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

You can solv this way…………..

7+5+6 = (7×5)(7×6) 3542 then [(7×5)+(7×6)-6]and reverse the number = 71 = 17
3+5+6 = (3×5)(3×6) 1518 then [(3×5)+(3×6)-6]and reverse the number = 27 = 72
3+5+5 = (3×5)(3×5) 1515 then [(3×5)+(3×5)-5]and reverse the number = 25 = 52

3+6+5 = (3×6)(3×5) 1815 then [(3×6)+(3×5)-5]and reverse the number = 28 = 82

7+9+4 = (7×9)(7×4) 6328 then [(7×9)+(7×4)-4]and reverse the number = 87 = 78
So ultimately the final result is
7+5+6 = 354217
3+5+6 = 151872
3+5+5 = 151552
3+6+5 = 181582
7+9+4 = 632878

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