Question
Which plough helps cutting of creeping or spreading
grass and inversion?Solution
A disc plough can be forced to penetrate into the soil which is too hard and dry for working with a mouldboard plough. It works well in sticky soils in which a mouldboard plough does not scour.
14Â Â Â Â Â 15Â Â Â Â Â Â Â 32Â Â Â Â Â Â 99Â Â Â Â Â Â 400Â Â Â Â Â Â ?
...63 189 315 378 567 693
...3720 3842 ? 4092 4220 4350
...8      24       48      144      ?     864
...504 625 769 938 1134 ?
...1Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 5Â Â Â Â Â Â Â 13Â Â Â Â Â Â Â Â Â Â Â Â 25Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â 41Â Â Â Â Â Â Â Â Â ...
52 26 39 97.5 ?
...13     26      78      ?     468     936
...To find the Next number in the given series.
0 6 24 60 120 ?
...102, 246, 442, 698, 1022, ?