Rhizobium plays important role in ...
Rhizobium is a bacterium found in soil that helps in fixing nitrogen in leguminous plants.
32, 8, 4, ?, 3, 3.75
6 7 15 46 185 ?
...20 910?2971.5
...Select the number from among the given options that can replace the question mark (?) in the following series.
64, 60, 52, 40, ?, 4
13 22 40 67 103 ?
...11 46 109 208 351 ?
32, 65 , 196, 785, ? , 23557
5 ? 205 823 7405 29623
...4 8 12 48 ? 432
...12 36 90 180 270 ?
...