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E:\Working\Focus_Learning\Math_Genius_5_(05-10-2023)\Open_Files\CHAP_01
              \\February 16, 2024 1:27 PM   Surender Prajapati   Proof 5   Reader _________________________   Date: ___________________74





              rule 3: A smaller  Roman  numeral  on the  left  side  of a  larger  Roman  numeral  is  always
                       subtracted from the larger Roman numeral.

              examples:  (a)  IX  = 10 – 1 = 9                       (b)  XL  = 50 – 10 = 40
                            (c)  CD  = 500 – 100 = 400               (d)  CM  = 1000 – 100 = 900



                      Knowledge Desk

                     In Roman numerals, the number 4 is spelt as IV but many clocks around the
                     world still use the old method to represent it, that is, the number IIII
                     instead of the number IV.
                     One of the most important clocks showing this is the clock tower of Palace of
                     Westminster.

                       Practice time 1F



                1.  Write the roman numerals for the following numbers.

                    (a)  328                         (b)  518                        (c)  892

                    (d)  2090                        (e)  785                         (f)  1600
                2.  Write the Hindu-Arabic numerals for the following roman numerals.

                    (a)  XXXV                        (b)  LXXIII                     (c)  VII
                    (d)  MIX                         (e)  CLXV                        (f)  MXXXIV

                3.  Use >, < or = to compare the following.

                    (a)  CDIV        406             (b)  CCCXC            380       (c)  CMXC         990
                    (d)  CDVIII       208            (e)  CCCLXXXVI        386        (f)  CLXV        168

                4.  Which of the following are meaningless?
                    (a)  CCI                (b)  XLVV                (c)  DD                  (d)  ILIX

                    (e)  XDVI                (f)  VLIII              (g)  CXL                 (h)  CCXXV

                5.  given below  are  some  important events in the life  of Mahatma  gandhi,
                    the father of our nation. rewrite the year of events in roman numerals.
                    (a)  Born in Porbandar, Gujarat                    –  1869 _________

                    (b)  Married to Kasturba Gandhi                    –  1883 _________

                    (c)  Started the boycott of British goods

                         and non-co-operation movement                 –  1920 _________

                    (d)  Lead the Salt March in Dandi                  –  1930 _________
                    (e)  Launched the Quit India Movement              –  1942 _________

                    (f)  Kasturba Gandhi died                          –  1944 _________
                    (g)  Gandhiji was assassinated in Delhi            –  1948 _________


              Mathematics-5                                                                                          23
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