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2.6 Brain Teasers                                   Page 47
                 Page 38-39                                          F. 1. Reading  2. Music and Movie

                 1.  The two zebras are facing each other by standing      3. Painting  4. Reading
                   on the opposite banks of the river.
                 2. Post Office              3. Your right hand      3.2 Data Compression
                                                                     Page 48, 49
                 4. The word ‘incorrect’.
                                                                     Do yourself
                 5. You are in the second place now.
                                                                     3.3 Decoding
                 6. EQ  7.  The letter ‘C’    8. 1
                                                                     Page 50-51
                 9.  NOON                    10. The match           1. d  2. a  3. b  4. a  5. d
                 11. 1956 was the room number where she was born.    6. b  7. c  8. a  9. a  10. c
                 12.  Nowhere, as electric trains don’t produce smoke
                                                                     3.4 Binary Representation of Information
                 Challenge 2                                         Page 52
                 1. Top secret                                       A.
                 2. What goes up, must come down                              1   2    3   4   5    6
                 3. Travel overseas       4. I understand                 A   0   1    0   1   0    1
                 5. Under age             6. Greenhouse                   B   0   1    1   0   0    1
                 7. Think out of the box   8. Forgive and Forget          C   0   1    0   1   0    1
                                                                          D   0   1    1   0   0    1
                          Level 3: DATA PROCESSING                        E   0   1    0   1    0   1

                 3.1 Data and Information                                 F   0   1    1   0    0   1
                 Page 42, 43                                         Page 53
                 Do yourself                                         B.  1.  0010, 0011, 0101, 0111

                 Page 44                                                2.  0010, 0100, 0110, 1010  3. 1001  4. 0011
                 C.  1.  Input Device, Processing Device, Output        5. 1010 6. 0101 7. 0011, 0110, 1001
                      Device                                         Challenge 3
                     2. Scanner 3. Printer 4. Mouse, Monitor         Flat No. 314 - Raja - Jewellery
                 Page 45                                             Flat No. 619 - Sunny - Painting
                 D. Frequency: 9, 15, 21, 18, 15, 12                 Flat No. 401 - Bobby - Mobile
                    1. 15     2. 18        3. June     4. April      Flat No. 507 - Sunil - Money

                    5. May and August                                    Level 4: ALGORITHMIC INTELLIGENCE
                 Page 46                                             4.1 Algorithm
                 E                       .                           Page 56
                        Mon   Tue  Wed    Thu   Fri   Sat  Sun       A.  Step 2 reception for catalogue
                 Writes       Mitali                                     Step 5 Go to the shelf
                 stories
                                                                         Step 7 library desk
                  Sings                                     Nitu
                                                                         Step 8 card to the incharge
                  Reads
                  books  Dipa                                            Step 9 enter your details
                  Plays                                                  Step 10 and sign
                 football                Ishaan                          Step 11 in your bag carefully
                  Eats              Nitin
                 burger                                              Page 57
                                                                     B.  Step 1  Input the side
                 Jogging                      Priyanka
                                                                         Step 2  Area = side × side
                  Plays
                  golf                               Payal               Step 3  Print area
                                                                                                  Answers        79
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