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    E:\Working\Focus_Learning\Math_Genius_3_(11-09-2024)\Open_Files\CHAP_10
                 \ 11-Sep-2024               Surender Prajapati   Proof-5                     Reader’s Sign _______________________ Date __________

                  a.m. and P.m.

                  As explained earlier, the hour hand goes twice round the dial in one day. So, it shows the

                  same time twice in a day.

                      •  The time from 12 o’clock midnight to 12 o’clock noon is shown by the small letters
                       ‘a.m.’ (ante meridiem).

                      •  The time from 12 o’clock noon to 12 o’clock midnight is shown by the small letters
                       ‘p.m.’ (post meridiem).

                                       Noon  Midnight               Midnight  Noon                Get it right!

                              11 a.m.       1 a.m.         11 p.m.       1 p.m.             12:00 day-time       
                           10 a.m.  11  12  1  2 a.m.   10 p.m.  11  12  1  2 p.m.
                                  10        2                  10         2                 12 noon              
                           9 a.m.  9         3  3 a.m.  9 p.m.  9         3   3 p.m.
                                   8        4                   8         4                 12:00 night-time  
                            8 a.m.   7  6  5   4 a.m.    8 p.m.   7  6  5   4 p.m.
                               7 a.m.       5 a.m.         7 p.m.        5 p.m.             12 midnight          
                                        6 a.m.                  6 p.m.

                                                                                                    11  12  1
                                               12
                                            11    1                                               10        2
                                          10        2                                             9          3    p.m.
                                          9          3   a.m.                                      8        4
                                           8        4                                                7  6  5
                                             7  6  5

                             Sonia eats breakfast at 8:00 a.m.                Mona watches TV at 8:00 p.m.

                  time in seconds

                  In a clock, there is another hand, i.e., the third hand.                                         Second

                  It is very thin and long hand. It is called the second hand.                          10 11  12  1  2  hand

                  It moves faster than the minute hand.                                                9 8      4 3
                                                                                                 Hour    7    5    Minute
                  It completes one round in 1 minute or 60 seconds. So,                          hand       6       hand

                                                         1 minute = 60 seconds

                          Knowledge Desk
                         The Taj Mahal was built by the Mughal emperor Shah Jahan in memory of his wife
                         Mumtaz in 1648. It is the masterpiece of the world's heritage”.

                 180                                                                                    Mathematics-3

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