![]() ![]() The joining is invalid with 5 straight lines.Ĭonclusion 1: Two groups of lines to analyze-primary lines joining the dots and lines joining the primary lines. But to connect the 3 lines, 2 more straight lines are used. Observation: To connect the nine dots, three independent straight lines each joining 3 dots are used. What clues can we get from this simple trial? Solution to connect the nine dots riddle: first trial and analysisĪs a first trial, the nine dots are joined in the simplest manner violating no condition. To solve, you may choose either trial and error or systematic reasoning.Īs trial and error is arbitrary with no certainty of result within a reasonable time, it is rejected.įirst step in any serious problem-solving is to make a quick trial, analyze the results of the trial and make a key conclusion. Soon you figure out that the puzzle is hard. ![]() Solution to Connect the nine dots riddle: Analysis and strategy decision Hint: The puzzle is hard and demands out-of-the-box thinking. The nine dots in a 3-by-3 two-axis grid shown. Join the nine dots in a 3-by-3 two-axis grid by 4 straight lines without visiting a dot more than once and without raising your pencil from the paper. Learn how to solve the tough puzzle from the solution. You can click on the Part 2 Answers link to check out answers of 6th to the 10th puzzle questions.Join the nine dots in a 3-by-3 grid by 4 straight lines without raising the pencil. You can check the answers to this puzzle question in the Part 1 link as given in this post. 13 is wrong please make it correct and reply with right one.
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