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B.  Look at these binary codes of numbers 1-10.                                              Time Taken
                                                                                                        Min.


                                Number            Binary                    Number            Binary



                                    1              0001                         6              0110


                                    2              0010                         7              0111


                                    3              0011                         8              1000


                                    4              0100                         9              1001



                                    5              0101                        10              1010



                      Now answer the following in binary digits.

                       1    Write all the prime numbers between 1 and 10.




                       2    Write all the even numbers between 1 and 10.




                       3    Write all the sum of 5 and 4.





                       4    Write the difference between 9 and 6.




                       5    Write the product of 2 and 5.




                       6    Write the division of 25 by 5.




                       7    Write all the numbers divisible by 3 between 1 and 10.









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