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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


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

                               nd
                                                                                                            st
                                                                   rd
                                                                                                 nd
                                          rd
                         a. 42  and 43                       b. 43  and 42    nd           c. 42  and 41
                  B.  Fill in the blanks using the words given below:
                                  Hints


                                     Problem solving, case study, stepwise thinking, Reasoning


                      1.   The process of completing one step and  going onto the other  is known
                         as ................................ .

                      2.  A ................................ refers to a task that is based on real-life situations.
                      3.   ................................ is the action or process of thinking about a task in a logical
                         way.

                      4.  ................................ is the action or process of finding solutions.


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

                      1.  You cannot solve a problem in steps.                                            .....................
                      2.  Problem-solving helps in providing the solution.                                .....................

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

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

                  D.  Number the pictures to get the correct sequence of the following tasks:

                      1.  To start a computer.






















                  84     iPRIME (Ver. 2.2)–IV
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