1.

Find 1-121 + 161 - 1- 31​

Answer» <html><body><p><strong>Answer:</strong></p><p><em><u>This <a href="https://interviewquestions.tuteehub.com/tag/sequence-1201556" style="font-weight:bold;" target="_blank" title="Click to know more about SEQUENCE">SEQUENCE</a> is a <a href="https://interviewquestions.tuteehub.com/tag/arithmetic-15417" style="font-weight:bold;" target="_blank" title="Click to know more about ARITHMETIC">ARITHMETIC</a> <a href="https://interviewquestions.tuteehub.com/tag/progression-1169049" style="font-weight:bold;" target="_blank" title="Click to know more about PROGRESSION">PROGRESSION</a> (I <a href="https://interviewquestions.tuteehub.com/tag/hope-25911" style="font-weight:bold;" target="_blank" title="Click to know more about HOPE">HOPE</a> you are aware of it)</u></em></p><p></p><p><em><u>This sequence is a arithmetic progression (I hope you are aware of it)Here, the common difference</u></em></p><p></p><p><em><u>This sequence is a arithmetic progression (I hope you are aware of it)Here, the common differenceD = 121 - 161 = 40</u></em></p><p></p><p><em><u>This sequence is a arithmetic progression (I hope you are aware of it)Here, the common differenceD = 121 - 161 = 40First term denoted by, A = 121</u></em></p><p></p><p><em><u>This sequence is a arithmetic progression (I hope you are aware of it)Here, the common differenceD = 121 - 161 = 40First term denoted by, A = 121As the first four digit number is <a href="https://interviewquestions.tuteehub.com/tag/1000-265236" style="font-weight:bold;" target="_blank" title="Click to know more about 1000">1000</a>.</u></em></p><p></p><p><em><u>This sequence is a arithmetic progression (I hope you are aware of it)Here, the common differenceD = 121 - 161 = 40First term denoted by, A = 121As the first four digit number is 1000.We have to find the number of term which is less than or equal to 1000.</u></em></p><p></p><p><em><u>This sequence is a arithmetic progression (I hope you are aware of it)Here, the common differenceD = 121 - 161 = 40First term denoted by, A = 121As the first four digit number is 1000.We have to find the number of term which is less than or equal to 1000.As, nth term is given by,</u></em></p><p></p><p><em><u>This sequence is a arithmetic progression (I hope you are aware of it)Here, the common differenceD = 121 - 161 = 40First term denoted by, A = 121As the first four digit number is 1000.We have to find the number of term which is less than or equal to 1000.As, nth term is given by,A(n) = A + (n -1)D</u></em></p><p></p><p><em><u>This sequence is a arithmetic progression (I hope you are aware of it)Here, the common differenceD = 121 - 161 = 40First term denoted by, A = 121As the first four digit number is 1000.We have to find the number of term which is less than or equal to 1000.As, nth term is given by,A(n) = A + (n -1)DOr, 1000 = 121 + (n-1)40</u></em></p><p></p><p><em><u>This sequence is a arithmetic progression (I hope you are aware of it)Here, the common differenceD = 121 - 161 = 40First term denoted by, A = 121As the first four digit number is 1000.We have to find the number of term which is less than or equal to 1000.As, nth term is given by,A(n) = A + (n -1)DOr, 1000 = 121 + (n-1)40Or, 879 = (n - 1)40</u></em></p><p></p><p><em><u>This sequence is a arithmetic progression (I hope you are aware of it)Here, the common differenceD = 121 - 161 = 40First term denoted by, A = 121As the first four digit number is 1000.We have to find the number of term which is less than or equal to 1000.As, nth term is given by,A(n) = A + (n -1)DOr, 1000 = 121 + (n-1)40Or, 879 = (n - 1)40Or, 21.975 = n - 1</u></em></p><p></p><p><em><u>This sequence is a arithmetic progression (I hope you are aware of it)Here, the common differenceD = 121 - 161 = 40First term denoted by, A = 121As the first four digit number is 1000.We have to find the number of term which is less than or equal to 1000.As, nth term is given by,A(n) = A + (n -1)DOr, 1000 = 121 + (n-1)40Or, 879 = (n - 1)40Or, 21.975 = n - 1Or, n = 22.975</u></em></p><p></p><p><em><u>This sequence is a arithmetic progression (I hope you are aware of it)Here, the common differenceD = 121 - 161 = 40First term denoted by, A = 121As the first four digit number is 1000.We have to find the number of term which is less than or equal to 1000.As, nth term is given by,A(n) = A + (n -1)DOr, 1000 = 121 + (n-1)40Or, 879 = (n - 1)40Or, 21.975 = n - 1Or, n = 22.975Thus, 22nd term is last three digit number.</u></em></p><p></p><p><em><u>This sequence is a arithmetic progression (I hope you are aware of it)Here, the common differenceD = 121 - 161 = 40First term denoted by, A = 121As the first four digit number is 1000.We have to find the number of term which is less than or equal to 1000.As, nth term is given by,A(n) = A + (n -1)DOr, 1000 = 121 + (n-1)40Or, 879 = (n - 1)40Or, 21.975 = n - 1Or, n = 22.975Thus, 22nd term is last three digit number.I hope it helps.</u></em></p><p></p></body></html>


Discussion

No Comment Found

Related InterviewSolutions