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              \\December 6, 2023 11:06 AM   Bharat Arora   P-6          Reader _________________________   Date: ___________________74







                       Think and Answer
                    Decode the message written in code:   9   12  15  22  5     9  14  4  9  1


                       Practice time 9e




                A B C D E F G H                 I   J   K L M N O P Q R S T U V W X Y Z
                1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26


                1.  Using the above table, write the following messages in the code language.

                    (a)  BE HERE NOW                                 _________________________________
                    (b)  BELIEVE IN YOURSELF                         _________________________________


                    (c)  DO IT NOW                                   _________________________________
                    (d)  DO YOUR BEST                                _________________________________

                    (e)  DREAMS COME TRUE                            _________________________________

                2.  Using the above code, decode the following messages.

                    (a)  6 15 3 21 19  1 14 4  23 9 14                        ___________________________

                    (b)  9 20  9 19  16 15 19 19 9 2 12 5  ___________________________

                    (c)  25 5 19  25 15 21  3 1 14                            ___________________________

                    (d)  14 5 22 5 18  7 9 22 5  21 16                        ___________________________




                    Mental Maths

                Choose the correct option.

                1.  A triangle whose two sides are equal has ______ line(s) of symmetry.

                   (a)  1                   (b)  2                 (c)  3                  (d)  4
                2.  2, 4, 8, ___________.

                   (a)  10                  (b)  12                (c)  32                 (d)  16


                       +          0        ×
                3.
                     0    ×    ×    +    +    0

                            0                       +                     +                        ×
                   (a)                      (b)                    (c)                     (d)
                         +    ×                  +     0                0    ×                   0    +



              Mathematics-4                                                                                          169
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