How Can You Solve the Classic 10 Digit Number Puzzle?

How to solve the classic 10-digit puzzle?

Number puzzles challenge you to think and solve problems. They encourage critical thinking, analyzing information and using math skills to find answers.

Look at the picture above; it’s a puzzle. This challenge tests your quick thinking and sharp analytical skills. You need to pay close attention to the clues in the diagram. Research even shows that solving puzzles like this can keep your mind healthy and help you in all aspects of life. Your goal is to find solutions that follow specific rules, such as cracking passwords. In the next section, we explain this numerical puzzle and reveal a satisfying solution.

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How to solve the classic 10-digit puzzle?solution

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This number puzzle is quite tricky and we invite you to try it and see if you can find the answer.

The task is to find a special 10-digit number. It needs to follow two rules: First, it must be a “divisible” number, which means the first part of the number must be divisible by its number of digits. Second, it must use all numbers from 0 to 9, making it “pan-digital”.

To solve this problem, we first make sure that the last digit is 0, since it must be divisible by 10, and the fifth digit must be 5 to be divisible by 5. This reduces the possibilities to about 40,000. Then, we arrange the even bits in the even bits and the odd bits in the odd bits. The fourth digit can be 2 or 6, which is divisible by 4. The fourth, fifth and sixth digits are 2, 5 and 8 in some order.

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Next, we worked on making the first eight digits divisible by 8, narrowing it down to eight possible numbers. The last even digit is placed in the tenth position, leaving three odd digits to complete the number. By checking their sum, we get 10 possible numbers.

Finally, we check which of the 10 numbers are divisible by 7 and the answer is 3,816,547,290, which is the only number that meets all the rules.

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The calculation result is 144 ÷ 12 + 6 x 3 – 9 ÷ 3=?

To find the solution, follow the order of operations. Division and multiplication start from left to right: 144 ÷ 12 is equal to 12, and 9 ÷ 3 is equal to 3. The equation now becomes 12 + 6 x 3 – 3. Next, perform multiplication and addition/subtraction from left to right: 6 x 3 equals 18, and 12 + 18 equals 30. Therefore, the solution is 30.

Determine the value of 168 ÷ 7 + 8 x 2 – 14 ÷ 2?

Stick to the order of operations as usual. Division and multiplication proceed from left to right: 168 ÷ 7 equals 24, and 14 ÷ 2 equals 7. The equation now becomes 24 + 8 x 2 – 7. Next, perform multiplication, addition and subtraction from left to right: 8 x 2 equals 16, and 24 + 16 equals 40. Therefore, the solution is 40.

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