The number of saplings planted during Tree Plantation Mahotsava in 40 villages is given below :
100, 170, 365, 230, 162, 365, 252, 360, 215, 340, 350, 101, 315, 180, 130, 262, 359, 200, 170, 365, 250, 325, 295, 350, 155, 156, 103, 170, 300, 101, 106, 240, 270, 190, 320, 351, 160, 120, 201, 120.
Prepare a grouped frequency distribution table taking classes 100-150, 150-200, ... , 300-350, 350-400.
From the table, write the number of villages in which 250 or more saplings are planted.