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    Parallel and

                                     5                                   intersecting Lines

                                               computational thinking quest

                    Tick ( ) the correct option.

                      1.  Similar markings show parallel lines. The value     3.  In a clock, the minute hand is at 12. At how
                         of a – b is    .        (Analytical Thinking)       many  different  positions  the hour hand be
                                           300°                              so that the angle between the two hands is a
                                   A                 D                       straight angle?          (Abstract Thinking)
                                            O
                                                                                    (a)  1
                                        a       b
                                        B       C                                   (b)  2

                               (a)  60°                                             (c)  3

                               (b)  0°                                              (d)  4

                               (c)  120°                                  4.  In the given figure, the measures of angles
                                                                             a,  b,  c,  d and  e are consecutive integers in
                               (d)  90°                                      increasing order (in degrees). The value of d is:

                      2.  The following arrangement is formed using                                   (Abstract Thinking)
                         cubes and cuboid. How many sides are parallel
                         to the side marked by the red line?
                                                    (Logical Thinking)                        b   c
                                                                                                     d
                                                                                              a
                                                                                                  e

                               (a)  10                                              (a)  73

                               (b)  15                                              (b)  76

                               (c)  8                                               (c)  78

                               (d)  11                                              (d)  70

                     26        Computational Thinking-7 (Mathematics)

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