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3. Which number will come next in the following series?

                        10, 20, 30, 40, 50, ...........


                        a. 60                            b. 70                           c. 80



                                                                    th
                                                                              th
                      4.   Lovish and Archana are ranked 6  and 7  respectively from the top in a
                         class of 48 students. What are their respective ranks from the bottom?

                        a. 42nd and 43rd                 b. 43rd and 42nd                c. 42nd and 41st


                  B.  Write ‘T’ for true and ‘F’ for false.

                      1. You cannot solve a problem in steps.                                             .....................

                      2. Problem-solving helps in providing solutions.                                    .....................

                      3. You should arrange your school bag according to your mood.                       .....................

                      4. Stepwise thinking allows you to break the sequence of steps.                     .....................

                  C.  Number the pictures to get the correct sequence of the following tasks:
                      To start a computer:














































                    80     iPro (Ver. 4.1)-IV
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