Answers

2016-02-26T20:41:33+05:30
6 minutes ..... 2 pieces
  X  ............... 5 pieces

  X =  5*6 / 2 = 15 minutes..
0
2016-02-26T20:43:23+05:30
2 pieces=6 minutes
1 piece=6/2 
             =3 minutes
∴5 pieces=3*5
                =15 minutes
hence, it will take 15 minutes to cut 5 pieces

1 5 1