List the square, rectangular, triangular and linenumbers from the whol

1.	List the square, rectangular, triangular and linenumbers from the whole numbers between1 to 50.
Answer» <html><body><p><strong>Answer:</strong></p><p><strong>Square numbers</strong></p><p>4, <a href="https://interviewquestions.tuteehub.com/tag/9-340408" style="font-weight:bold;" target="_blank" title="Click to know more about 9">9</a>, 16, 25, 36, 49</p><p><strong>Triangular numbers </strong></p><p>3,<a href="https://interviewquestions.tuteehub.com/tag/6-327005" style="font-weight:bold;" target="_blank" title="Click to know more about 6">6</a>,10,15,21,28,36,45</p><p><strong>Rectangular numbers</strong></p><p>2, 6, 12, 20, 30, 42</p><p><strong>Line numbers</strong></p><p>All the numbers between 1 and 50</p><p><strong>Step-by-step <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:</strong></p><p>Square numbers are obtained my <a href="https://interviewquestions.tuteehub.com/tag/multiplying-2184915" style="font-weight:bold;" target="_blank" title="Click to know more about MULTIPLYING">MULTIPLYING</a> a number by itself.</p><p>Triangular number is obtained by n(n+1) / 2</p><p>Rectangular number is obtained by n(n+1)</p><p></p></body></html>

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