3, 6, 17.5, 64.75, ?
ক
304.587
খ
295.875
গ
115.246
ঘ
101
সঠিক উত্তর: 295.875
3
3 x 1.5 + 1.5 = 6
6 x 2.5 + 2.5 = 17.5
17.5 x 3.5 + 3.5 = 64.75
64.75 x 4.5 + 4.5 = 295.875