Chapter 5                                    

                                        Multiplication


1.3 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 10 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¸ి, ā°ĩాⰟిā°˛ో 50 ā°˛ోā°Ēు ⰉⰍ్ā°¨ā°ĩాⰟిā°¨ి Ⱊూā°ĒింⰚంā°Ąి.

  • ā°¸ā°Žాā°§ాā°¨ం: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30 (ā°‡ā°ĩి 50ā°˛ోā°Ēు).


    2.7 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 15 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98, 105.


    3.6 ā°Žā°°ిā°¯ు 8 ā°°ెంā°ĄింⰟిā°•ీ ā°¸ాā°Žాā°¨్ā°¯ ā°—ుā°Ŗā°•ాⰞⰍు 100 ā°˛ోā°Ēు ā°•ā°¨ుā°—ొā°¨ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 24, 48, 72, 96.


    4.5 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 12 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¸ి, ā°ĩాⰟిā°˛ో 2ā°¤ో ā°•ూā°Ą ā°—ుā°Ŗిā°¤ā°Žైā°¨ ā°ĩాⰟిā°¨ి ā°—ుā°°్ā°¤ింⰚంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60. ā°ĩీⰟిā°˛ో 10, 20, 30, 40, 50, 60 2ā°¤ో ā°•ూā°Ą ā°—ుā°Ŗā°•ాā°˛ు.


    5.9 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 20 ā°—ుā°Ŗā°•ాā°˛ు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126, 135, 144, 153, 162, 171, 180.


    6. 12 ā°Žā°°ిā°¯ు 18 ā°¯ొā°•్ā°• ā°¸ాā°Žాā°¨్ā°¯ ā°—ుā°Ŗā°•ాⰞⰍు ā°•ā°¨ుā°—ొā°¨ి 200ā°˛ోā°Ēు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 36, 72, 108, 144, 180.


    7.4 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 15 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¸ి ā°ĩాⰟిā°˛ో 50ā°˛ోā°Ēు ⰉⰍ్ā°¨ā°ĩాⰟిā°¨ి ā°—ుā°°్ā°¤ింⰚంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60. 50ā°˛ోā°Ēు = 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44, 48.


    8.15 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 10 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 15, 30, 45, 60, 75, 90, 105, 120, 135, 150.


    9.25 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 8 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 25, 50, 75, 100, 125, 150, 175, 200.


    10.2, 3 ā°Žā°°ిā°¯ు 5 ā°¯ొā°•్ā°• ā°¸ాā°Žాā°¨్ā°¯ ā°—ుā°Ŗā°•ాⰞⰍు 100 ā°˛ోā°Ēు ā°•ā°¨ుā°—ొā°¨ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 30, 60, 90.


    11.8 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 12 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96.


    12. 11 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 10 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¸ి, ā°ĩాⰟిā°˛ో 100 ā°˛ోā°Ēు ⰉⰍ్ā°¨ā°ĩాⰟిā°¨ి ā°—ుā°°్ā°¤ింⰚంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 11, 22, 33, 44, 55, 66, 77, 88, 99, 110. 100ā°˛ోā°Ēు = 11, 22, 33, 44, 55, 66, 77, 88, 99.


    13.20 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 10 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 20, 40, 60, 80, 100, 120, 140, 160, 180, 200.


    14.2 ā°Žā°°ిā°¯ు 7 ā°¯ొā°•్ā°• ā°¸ాā°Žాā°¨్ā°¯ ā°—ుā°Ŗā°•ాⰞⰍు 100 ā°˛ోā°Ēు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 14, 28, 42, 56, 70, 84, 98.


    15.18 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 10 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 18, 36, 54, 72, 90, 108, 126, 144, 162, 180.


    16.50ā°˛ోā°Ēు 9 ā°¯ొā°•్ā°• ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 9, 18, 27, 36, 45.


    17.16 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 8 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 16, 32, 48, 64, 80, 96, 112, 128.


    18.21 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 12 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 21, 42, 63, 84, 105, 126, 147, 168, 189, 210, 231, 252.


    19.14 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 10 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¸ి ā°ĩాⰟిā°˛ో 100 ā°˛ోā°Ēు ⰉⰍ్ā°¨ā°ĩాⰟిā°¨ి ā°—ుā°°్ā°¤ింⰚంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 14, 28, 42, 56, 70, 84, 98, 112, 126, 140. 100ā°˛ోā°Ēు = 14, 28, 42, 56, 70, 84, 98.


    20.24 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 10 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 24, 48, 72, 96, 120, 144, 168, 192, 216, 240.


    21. 10 ā°Žā°°ిā°¯ు 12 ā°°ెంā°ĄింⰟిā°•ీ ā°¸ాā°Žాā°¨్ā°¯ ā°—ుā°Ŗā°•ాⰞⰍు 150 ā°˛ోā°Ēు ā°•ā°¨ుā°—ొā°¨ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 60, 120.


    22.19 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 7 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 19, 38, 57, 76, 95, 114, 133.


    23. 13 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 8 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 13, 26, 39, 52, 65, 78, 91, 104.


    24.30 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 10 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 30, 60, 90, 120, 150, 180, 210, 240, 270, 300.


    25.27 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 6 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 27, 54, 81, 108, 135, 162.


    26.40 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 8 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 40, 80, 120, 160, 200, 240, 280, 320.


    27.22 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 6 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 22, 44, 66, 88, 110, 132.


    28.33 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 5 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 33, 66, 99, 132, 165.


    29.50 ā°˛ోā°Ēు 4 ā°Žā°°ిā°¯ు 6 ā°°ెంā°ĄింⰟిā°•ీ ā°¸ాā°Žాā°¨్ā°¯ ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 12, 24, 36, 48.


    30.45 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 7 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 45, 90, 135, 180, 225, 270, 315.


    31. 2, 4 ā°Žā°°ిā°¯ు 8 ā°¯ొā°•్ā°• ā°¸ాā°Žాā°¨్ā°¯ ā°—ుā°Ŗā°•ాⰞⰍు 100 ā°˛ోā°Ēు ā°•ā°¨ుā°—ొā°¨ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96.


    32.32 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 5 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 32, 64, 96, 128, 160.


    33. 36 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 6 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 36, 72, 108, 144, 180, 216.


    34. 48 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 5 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 48, 96, 144, 192, 240.


    35. 60 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 6 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 60, 120, 180, 240, 300, 360.


    36.72 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 5 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 72, 144, 216, 288, 360.


    37. 80 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 4 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 80, 160, 240, 320.


    38.90 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 5 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 90, 180, 270, 360, 450.


    39. 100 ā°¯ొā°•్ā°• ā°Žొā°ĻⰟి 5 ā°—ుā°Ŗā°•ాⰞⰍు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 100, 200, 300, 400, 500.


    40. 2 ā°Žā°°ిā°¯ు 9 ā°¯ొā°•్ā°• ā°¸ాā°Žాā°¨్ā°¯ ā°—ుā°Ŗā°•ాⰞⰍు 200 ā°˛ోā°Ēు ā°ĩ్ā°°ాā°¯ంā°Ąి.

    ā°¸ā°Žాā°§ాā°¨ం: 18, 36, 54, 72, 90, 108, 126, 144, 162, 180, 198.

  • Answer by Mrinmoee